Significant Figures Review - Counting Digits - Beals

What is the primary purpose of using significant figures in scientific calculations?

• To simplify complex mathematical operations.

• To ensure consistency and agreement in results from measured numbers.

• To reduce the overall number of digits in a reported value.

• To increase the cost and precision of measuring instruments.

How many significant figures are present in the number 45.678?

• 3

• 4

• 5

• 6

Determine the number of significant figures in 2005.

• 1

• 2

• 3

• 4

How many significant figures are in the number 123456789?

• 1

• 5

• 9

• 0

How many significant figures are in the number 1001?

• 2

• 3

• 4

• 5

Which of the following numbers has three significant figures?

• 10

• 10.0

• 10.000

• 100

How many significant figures are in the number 0.00750?

• 2

• 3

• 4

• 5

How many significant figures are in the number 7500?

• 1

• 2

• 3

• 4

Determine the number of significant figures in 0.00750.

• 2

• 3

• 4

• 5

How many significant figures does the number 7005 contain?

• 2

• 3

• 4

• 5