1. Intro to General Chemistry

Significant Figures

1. Intro to General Chemistry

# Significant Figures - Video Tutorials & Practice Problems

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**Significant Figures** are used to determine some level of accuracy within our recorded measurements.

The Rules for Significant Figures

1

concept

## Significant Figures

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2

example

## Significant Figures Example 1

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3

Problem

ProblemHow many sig figs does each number contain?

a) 100. min

b) 17.3 x 103 mL

c) 10 apples

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4

Problem

ProblemIndicate the number of significant figures in the following:

A liter is equivalent to 1.059 qt.

A

0

B

1

C

3

D

4

E

infinite

5

Problem

ProblemHow many significant figures are contained in the following measurement?

3,482,005 mg

A

0

B

5

C

6

D

7

E

infinite

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Additional resources for Significant Figures

PRACTICE PROBLEMS AND ACTIVITIES (120)

- The three targets from a rifle range shown below were produced by: (A) the instructor firing a newly acquired ...
- A scientist uses an uncalibrated pH meter and measures the pH of a rainwater sample four times. A different pH...
- Assume that you have two graduated cylinders, one with a capacity of 5 mL (a) and the other with a capacity of...
- Indicate which of the following are exact numbers: (a) the mass of a 3- by 5-in. index card, (b) the number o...
- Indicate which of the following are exact numbers: (a) the mass of a 32-oz can of coffee, (b) the number of s...
- What is the number of significant figures in each of the following measured quantities? (e) 92.03 km
- What is the number of significant figures in each of the following measured quantities? (d) 2.94 * 103 m2
- What is the number of significant figures in each of the following measured quantities? (b) 3 * 10-6 m
- Indicate the number of significant figures in each of the following measured quantities: (e) 89.2 metr ic ton...
- Round each of the following numbers to three significant figures and express the result in standard exponenti...
- Round each of the following numbers to three significant figures and express the result in standard exponentia...
- (a) The diameter of Earth at the equator is 12756.27 km. Round this number to three significant figures and ex...
- Two students determine the percentage of lead in a sample as a laboratory exercise. The true percentage is 22....
- Is the use of significant figures in each of the following statements appropriate? (a) The 2005 circulation of...
- For each number, underline the zeroes that are significant and draw an x through the zeroes that are not. a. 1...
- How many significant figures are in each number? a. 0.1111 s b. 0.007 m c. 108,700 km d. 1.563300 * 1011 m e...
- How many significant figures are in each number? a. 0.1111 s b. 0.007 m c. 108,700 km d. 1.563300 * 1011 m e...
- Which numbers are exact (and therefore have an unlimited number of significant figures)? a. p = 3.14 b. 12 in ...
- Which numbers are exact (and therefore have an unlimited number of significant figures)? a. p = 3.14 b. 12 ...
- Round each number to three significant figures. a. 79,845.82 b. 1.548937 * 107 c. 2.3499999995 d. 0.000045389
- Which of the following statements uses exact numbers? (a) 1 ft = 12 in. (b) 1 cal = 4.184 J (c) The height o...
- How many significant figures are in each of the following measurements? (f) 3.8200 * 103 L
- How many significant figures are in each of the following measurements? (e) 67,000 m2
- How many significant figures are in each of the following measurements? (d) 0.004 50 m
- How many significant figures are in each of the following measurements? (c) 0.030 03 kg
- How many significant figures are in each of the following measurements? (b) 59.0001 cm
- How many significant figures are in each of the following measurements? (a) 35.0445 g
- How many significant figures are in each of the following measurements? (f) 10 students
- How many significant figures are in each of the following measurements? (e) 5.10 * 102 J
- How many significant figures are in each of the following measurements? (d) 510 J
- How many significant figures are in each of the following measurements? (b) 2000.003 g
- How many significant figures are in each of the following measurements? (a) $130.95
- How many significant figures are in each of the following measurements? (c) 5 ft 3 in.
- The Vehicle Assembly Building at the John F. Kennedy Space Center in Cape Canaveral, Florida, is the largest b...
- The diameter of the Earth at the equator is 7926.381 mi. (a) Round off this quantity to four significant figur...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (d) 2.309 8...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (c) 4.995 *...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (b) 68.507 ...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (a) 35,670....
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (d) 2,300,0...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (c) 13.2151...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (b) 1.605 k...
- Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (a) 7.0001 ...
- Judge the following statements as true or false. If you believe a statement to be false, provide a corrected v...
- How many significant figures are in the measurement 603.040 g ?
- Indicate the number of significant figures in each of the following
- Determine the number of significant figures in each of the following measurements
- How many significant figures are in the measurement 1.050 l? a. 1 b. 2 c. 3 d. 4
- Round each number to three significant figures.
- Determine the number of significant figures in the following measurements
- Round of the following numbers to three significant figures
- How many significant digits are in: 0.06030
- How many significant digits are in the number 56.0
- How many significant digits are in 0.003450?
- Determine the number of significant figures in 0.0100 m
- Give the number of significant figures in this number: 0.070
- Give the number of significant figures in this number: 40.00
- How many significant figures does 5000 have
- What is 2648 to two significant figures
- How many significant figures are in the measurement 0.0002050 kilograms?
- Give the number of significant figures in this number 0.025
- How many significant figures are in the measurement 0.00440 grams?
- Report 0.02315621 to 3 sig figs.
- Express 96,344 m using 2 significant figures
- How many significant figures are in the following number :300
- Round the following numbers to three significant figures
- How many significant figures are in 100
- The correct number of significant figures in the number 1.250100 is:
- Which measurement has the greatest number of significant figures
- Determine the number of significant figures in each of the following
- The correct number of significant figures in the number 865,000 is:
- How many significant figures are in each underlined measurement
- How many significant figures are in 10.0
- How many significant figures in 400
- How many significant figures in 50
- How many significant figures in 500
- How many significant figures are in the measurement 0.0030010 kilograms?
- How many significant figures are in the measurement, 20.300 m?
- Round the number 23.57 to 3 significant figures.
- How many significant figures in 0.007
- The value 10.00 has significant figures
- How many significant figures in 6000
- How many significant figures are in the number 0.00208?
- How many significant figures are in 10
- How many significant figures are in the measurement 230 kg
- Number of significant figures in 100
- How many significant figures in 60
- How many sig figs in 3000
- How many significant figures does the number 546.000 have?
- 100 has how many significant figures
- How many significant figures are in 3.408 x 104 m?
- How many significant digits in 100
- Give the number of significant figures in this number: 2.110
- How many sig figs in 4.00
- How many significant figures are in the measurement 0.003 4 kg?
- Count the significant figures in each length
- How many significant figures in 1.0
- How many significant digits are in this number 50.00
- How many sig figs in 80.0
- How many significant figures does 0.105 have?
- Round 155 cm to two significant figures
- How many significant figures are in 3000
- Give the number of significant figures 3.10 cm
- How many significant digits are in this number 85000
- Round this number to two significant figures 634
- 1.005 rounded to two significant figures
- How many sig figs in 900
- Give the number of significant figures in this number: 7.8 x 10¹²
- How many significant digits does 100 have
- How many significant digits are in 6.3590 x 107 mm?
- Give the number of significant figures in this number: 40
- How many significant figures in 0.01
- Give the number of significant figures in this number: 0.115
- Count the significant digits in each of these measurements:
- How many significant figures are there in the measurement 50,600 mg?
- State the number of significant figures in each of the following measurements
- How many significant figures does 2,090 have?
- How many significant figures are in each of the following measurements
- In an experiment, Theresa measured 15.00 mL of water. she must have used a
- If an experiment involves a large volume of liquid a _______ would most likely be used to hold it.