G10 Weekly Quiz #2 (version 3)

How many significant figures are in the following number?

2.40 x 10⁴

• 3

• 2

• 4

• 1

How many significant figures are in the following number?

0.0045

• 3

• 2

• 4

• 1

How many significant figures are in the following number?

45,000

• 3

• 2

• 4

• 1

How is the following number represented in scientific notation?

45,000

• 4.5 x 10⁴

• 45 x 10⁴

• 4.5 x 10³

• 4.50 x 10⁴

How is the following number represented in scientific notation?

0.003604

• 3.604 x 10^-3

• 3.6 x 10^-3

• 3.604 x 10³

• 3.6 x 10⁴

Round the following number to 3 significant figures

42,064,000

• 42,100,000

• 42,000,000

• 420

• 421

Round the following number to 4 significant figures

42,064,000

• 42,060,000

• 4,206

• 4.2 x 10⁷

• 4200

Calculate the number of steps that are in 1 kilometer using the following conversion factors.

1 step = 3 feet

1 meter = 3.28 feet

1000 meters = 1 kilometer

• 1093.3 steps

• 914.6 steps

• 9,840 steps

• 101.6 steps

There are 3280.8 feet in 1 kilometer.

To convert from feet to kilometers you would....

• divide by 3280.8 feet

• multiply by 3280.8 feet

There are 180 school days in a year and you spend 7 hours per day in school. How many minutes per year are you in school?

• 75,600 minutes

• 10,800 minutes

• 1542.8 minutes

• 7,560 minutes