Question 1

How many significant figures are in the measurement 0.00552?

Accepted Answer

3

Question 2

Which of the following correctly applies the multiplication/division rule for significant figures to the calculation $$12.054 	imes 0.53$$?

Accepted Answer

$$6.7 (2 $$significant figures)

Question 3

A child has a temperature of $$40.00\ ^\circ\mathrm{C}. $$What is this temperature in Kelvin?

Accepted Answer

$$313.15\ \mathrm{K}$$

Question 4

Which prefix multiplier is most appropriate for expressing the diameter of a hydrogen atom ($$1.06 	imes 10$$^{-10}$$\ \mathrm{m}$$)?

Accepted Answer

picometers (pm)

Question 5

What is the correct number of significant figures in the result of $$3.99870 + (452.6755 - 452.33)$$?

Accepted Answer

4

Question 6

Which of the following is the correct conversion of $$85.0\ ^\circ\mathrm{F} to $$Celsius?

Accepted Answer

$$29.4\ ^\circ\mathrm{C}$$

Question 7

When performing the calculation $$(3 	imes 0.00552) + 2.002$$, how many significant figures should the final answer have?

Accepted Answer

2

Question 8

Which statement best describes the rule for rounding in multistep calculations?

Accepted Answer

Round only the final answer, not intermediate steps.

Question 9

A solid metal melts in your hand. If the melting point of gallium is $$85.6\ ^\circ\mathrm{F}$$, what is its melting point in Kelvin?

Accepted Answer

$$302.6\ \mathrm{K}$$

Question 10

Which of the following is the SI base unit for mass?

Accepted Answer

kilogram (kg)

Question 11

What is the correct result, with proper significant figures, for $$0.5120 	imes 4.0015 + 3.455$$?

Accepted Answer

$$5.51$$

Question 12

Which of the following is NOT a correct rule for significant figures in calculations?

Accepted Answer

Round intermediate steps to the correct number of significant figures.

Question 13

Which temperature scale assigns absolute zero as $$0\ \mathrm{K}$$?

Accepted Answer

Kelvin

Question 14

If you measure a length as $$7.50\ \mathrm{cm}$$ and add it to $$3.002\ \mathrm{cm}$$, how many decimal places should the result have?

Accepted Answer

2

Question 15

Which of the following is the correct conversion formula from Celsius to Fahrenheit?

Accepted Answer

$$^{\circ}\mathrm{F} = \frac{9}{5} \$$times ^{\circ}$$\mathrm{C} + 32$$

Question 16

Which of the following is the correct result, with proper significant figures, for $$6.78 	imes 5.903 	imes (5.480 - 5.00)$$?

Accepted Answer

$$19$$

Question 17

Which of the following is the correct conversion of $$40.00\ ^\circ\mathrm{C} to $$Fahrenheit?

Accepted Answer

$$104.0\ ^\circ\mathrm{F}$$

Question 18

Which of the following is the correct formula to convert Celsius to Kelvin?

Accepted Answer

$$K = ^{\circ}\mathrm{C} + 273.15$$

Question 19

Which of the following is the most appropriate prefix multiplier for expressing $$7 	imes 10$$^{-6}$$\ \mathrm{m}$$?

Accepted Answer

micrometers (\mu m)

Chapter 1: Matter, Measurement, and Problem Solving – Significant Figures, Units, and Temperature

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