Physics Preskills Formative

How many significant figures are present in 0.0230 L?

• 3

• 2

• 5

• 4

How many significant figures are in 2.000 m?

• 1

• 2

• 3

• 4

How many significant figures in 3000 cm?

• 1

• 2

• 3

• 4

What is the proper scientific notation of 456789.2?

• 0.003214

• 0.000321

• 32100

• 0.00321

When you add 0.24 cm and 31.2 cm, the answer is

• 31.44 cm

• 31.4 cm

• 31 cm

• 31.5 cm

What is the correct answer when calculating 66.53 mm x 6.1 mm?

• 72.63 mm

Which of the following shows both accuracy and precision?

• a

• b

• c

• d

Convert 542 km/h to m/s. The correct answer is:

• 151 m/s

• 1950 m/s

• 15.1 m/s

• 1505 m/s

Convert 75 minutes to seconds.

• 4500 seconds

• 1.25 seconds

• 1250 seconds

• 1.33 seconds