U0 Quick Check (QC) #1: Math Review (Fall 2024)

Which Student is the Least Accurate?

• Student A

• Student B

• Student C

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%
• 20%
• 3.8%
• none of these

How many significant figures are in the following measurement?

0.008 s

• 4 significant figures

• 1 significant figure

• 3 significant figures

• 8 significant figures

How many significant figures are in the following measurement?

3025.000 g

• 5 significant figures

• 7 significant figures

• 6 significant figures

• 3 significant figures

• 1 significant figure

• 3 significant figures

• 1 significant figure

• 2 significant figures

• 4 significant figures

• 5 significant figures

• 41.3 m

• 41.2085 m

• 41.285 m

• 41.2 m

Which set of measurements demonstrates accuracy and precision if the true value is equal to 25.0 cm?

• 19.9 cm

  20.0 cm

  20.0 cm

  20.1 cm

  20.2 cm

• 24.8 cm

  24.9 cm

  25.0 cm

  25.0 cm

  25.1 cm

• 17.2 cm

  18.9 cm

  19.8 cm

  20.0 cm

  22.0 cm

• 23.5 cm

  24.9 cm

  25.0 cm

  26.3 cm

  26.5 cm

Is 20 g greater than, less than, or equal to 2 kg?

• greater than
• less than
• equal to

750 g is ____________  .75 kg?

• greater than
• less than
• equal to
• not the same as

If you are converting from dm to hm, how many places and in what direction do you have to move the decimal?

• 3 right
• 3 left
• 2 right
• 2 left