1. Intro to General Chemistry

Significant Figures: In Calculations

1. Intro to General Chemistry

# Significant Figures: In Calculations - Video Tutorials & Practice Problems

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**Significant Figures** are often involved in chemical calculations.

Significant Figures In Calculations

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concept

## Significant Figures Calculations Concept 1

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## Significant Figures Calculations Concept 2

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## Significant Figures Calculations Concept 3

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Problem

ProblemPerform the following calculation to the right number of sig figs:

[(1.7 × 10^{6}) ÷ (2.63 × 10^{5})] + 6.96

A

13.46

B

13.0

C

13.5

D

14.2

E

4.471

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Problem

ProblemWhat answer should be reported, with the correct number of significant figures, for the following calculation?

[(42.00 − 40.914) ⋅ (25.739 − 25.729)] / [(11.50⋅1.001) + (0.00710 ⋅ 700.)]

A

7.0 x 10

^{-4}B

6.67 x 10

^{-4}C

6.70 x 10

^{-4}D

6.7 x 10

^{-4}E

6.75 x 10

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PRACTICE PROBLEMS AND ACTIVITIES (33)

- (a) How many significant figures should be reported for the volume of the metal bar shown here?
- Perform the calculation, and report the answer to the correct number of significant figures. (LO 1.16) (a) 1....
- Carry out the following operations and express the answers with the appropriate number of significant numbers...
- Carry out the following operations and express the answers with the appropriate number of significant numbers....
- Carry out the following operations and express the answers with the appropriate number of significant numbers....
- Carry out the following operations and express the answers with the appropriate number of significant numbers....
- Calculate to the correct number of significant figures. a. 89.3 * 77.0 * 0.08 b. (5.01 * 105) , (7.8 * 102) ...
- Calculate to the correct number of significant figures. a. 89.3 * 77.0 * 0.08 b. (5.01 * 105) , (7.8 * 102) c....
- Calculate to the correct number of significant figures. a. 89.3 * 77.0 * 0.08 b. (5.01 * 105) , (7.8 * 102) ...
- Calculate to the correct number of significant figures. a. 89.3 * 77.0 * 0.08 b. (5.01 * 105) , (7.8 * 102) c....
- What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?
- Calculate to the correct number of significant figures. a. 0.004 + 0.09879 b. 1239.3 + 9.73 + 3.42 c. 2.4 - 1....
- Calculate to the correct number of significant figures. a. 0.004 + 0.09879 b. 1239.3 + 9.73 + 3.42 c. 2.4 - 1....
- Calculate to the correct number of significant figures. a. [(1.7 * 106) , (2.63 * 105)] + 7.33 b. (568.99 - ...
- Calculate to the correct number of significant figures. a. [(1.7 * 106) , (2.63 * 105)] + 7.33 b. (568.99 - ...
- Calculate to the correct number of significant figures. a. [(1.7 * 106) , (2.63 * 105)] + 7.33 b. (568.99 - 23...
- Express the results of the following calculations with the correct number of significant figures. (f) 5.7 * 2...
- Express the results of the following calculations with the correct number of significant figures. (c) 3.7 / 9...
- Express the results of the following calculations with the correct number of significant figures. (b) 94.61 /...
- Express the results of the following calculations with the correct number of significant figures. (a) 4.884 *...
- Express the results of the following calculations with the correct number of significant figures. (e) 86.3 + ...
- Express the results of the following calculations with the correct number of significant figures. (d) 5502.3 ...
- Express the results of the following calculations with the correct number of significant figures. (b) ( 5.556 ...
- Express the results of the following calculations with the correct number of significant figures. (a) (( 3.41 ...
- Express the product of 2.2 mm and 5.00 mm using the correct number of significant digits.
- What answer should be reported with the correct number of significant figures
- Joseph divides 8.64 by 2.0. How many significant figures should his answer have?
- Zachary adds 26.45 g to 2.55 g. How many significant figures should his answer have?
- What answer should be reported, with the correct number of significant figures, for the following calculation?...
- Express the product of 4.0 x 10^-2m
- Which is the correct product of the significant figures 3.278 and 4.23?
- How many significant figures are there in the answer for the following problem?
- Solve the problems and round accordingly