2.1 Measurements and Their Uncertainty

Multiple Choice

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Multiple Choice

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10^-4

• 5 x 10⁴

• .5 x 10^-3

Multiple Choice

Convert this number into scientific notation:

0.068

• 6.9 x 10⁶

• 6.8 x 10^-9

• 6.8 x 10^-2

• None of the above

Fill in the Blank

Convert this number to standard notation:

1.4 x 10^-2

Multiple Choice

Which of these values is precise, but not accurate?

Multiple Choice

Which of these values is accurate, but not precise?

Multiple Choice

Which of these values is neither accurate nor precise?

Multiple Choice

Which of these values is both accurate and precise?

Open Ended

How would you know that you made an error in an experiment?

Multiple Choice

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

Multiple Choice

Bob estimates that there will be 230 people who attend the concert.  There was an actual total of 300 people who attended.  Find the approximate percent error.  

• 23%
• 33%
• 27%
• 37%

Multiple Choice

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

• 35%
• 67%
• 85%
• 92%