Measurements

Question 1

2.0001 × 102

Answer 1

200.01

Question 2

6.72 × 108

Answer 2

672,000,000

Question 3

0.00246

Answer 3

2.46 × 10^-3

Question 4

2460

Answer 4

2.46 × 10^3

Question 5

Select the two options that are parts of every measurement.

Answer 5

number and units

Question 6

Measurements taken with laboratory equipment are ___________ numbers.

Answer 6

inexact

Question 7

A measurement shows the true value of the property being measured.

Answer 7

False

Question 8

The same substance was observed by three students. What type of data did the students collect?

Answer 8

quantitative

Question 9

The same substance was observed by three students. Their data are shown below. Which measurement was most precise?

Answer 9

More precise measurements will contain more significant figures. Angel’s measurement contains four sig figs, more than the other measurements.

Question 10

The same substance was observed by three students. Their data are shown below. Which measurement was most accurate?

Answer 10

Unable to be determined because there was no true value that was given

Question 11

What temperature is shown in the Celsius thermometer

Answer 11

4.0 °C