Significant Figures Review

Which value(s) is/are NEVER significant?

• trapped zero

• leading zero

• non-zero

• trailing zero with decimal

• trailing zero without a decimal

26, 500 has how many significant figures?

• 2

• 3

• 4

• 5

• cannot be determined

0.0072 has how many significant figures?

• 2

• 3

• 4

• 5

• cannot be determined

You go to the zoo and count 11 pandas. How many significant figures?

• 0

• 1

• 2

• 11

• infinite

Rounding rule for calculating addition or subtraction only is .....

• most decimal places

• most significant figures

• least decimal places

• least significant figures

• cannot be determined

Rounding rule for calculating multiplication or division only is .....

• most decimal places

• most significant figures

• least decimal places

• least significant figures

• cannot be determined

Rounding rule for finding the average is .....

• most decimal places

• most significant figures

• least decimal places

• least significant figures

• cannot be determined

Rounding rule for mixed operations (ex. addition &division) is .....

• least decimal places

• least significant figures

• most decimal places

• most significant figures

Which of these can lead to an infinite number of significant digits?

• actual count

• exact number

• math conversion

• all of these

To properly round when measuring, include ____ known digits + ___ estimated digit(s)

• all ; 1

• all ; 2

• some ; 1

• some ; 2