Unit 1 Quiz

• 27

• 64

• 81

• 243

• 12

• 20

• 24

• 32

• 15

• 21

• 27

• 33

How many significant figures are in the number 0.004560?

• 4

• 3

• 5

• 6

Round the number 123.456 to three significant figures.

• 123.5

• 123.4

• 124

• 123

Which of the following numbers has four significant figures?

• 0.0045

• 4500

• 4560

• 0.04560

Convert 5 kilometers to meters.

• 0.5

• 50

• 5000

• 500

How many grams are in 2 kilograms?

• 200

• 2000

• 20

• 0.2

Convert 3 hours to seconds.

• 10800

• 1800

• 3600

• 300