Mastering Significant Figures Quiz

How many significant figures are in the number 0.00450?

• 2

• 3

• 4

• 5

Which digit in the number 7.203 is NOT significant?

• 7

• 2

• they all are significant

• 0

How many significant figures are in the measurement 1500?

• 2

• 3

• 4

• 1

Round 0.006789 to three significant figures.

• 0.0067

• 0.0068

• 0.00679

• 0.007

Which of the following numbers has exactly four significant figures?

• 0.0405

• 0.405

• 4050

• 4.050

• 1

• 2

• 3

• 4

Round 123.456 to four significant figures.

• 123.4

• 123.5

• 123.46

• 123.45

• 5.96

• 6.0

• 5.9

• 6

Which of the following is a common error when counting significant figures?

• Counting leading zeros as significant

• Ignoring trailing zeros after a decimal point

• Counting all digits in a number as significant

• All of the above