Mathematics Quiz

What is the result of the calculation 5.62 + 3.1 + 0.47, rounded to two decimal places?

• 0.47

• 9.2

• 9.19

• 5.62

What is the result of 4.25 × 1.2 × 3.7 rounded to three significant figures?

• 18.9

• 19

• 18.81

• 18.810

In the number 1200.0, how many significant figures are there?

• 5

• 1

• 3

• 2

Which of the following is an example of an exact number?

• 12 apples

• 3.14

• 2.718

• 0.005

What is the result of rounding 1.25 to two significant figures?

• 1.2

• 1.3

• 1.25

• 1.5

Which of the following is considered a significant figure?

• Non-zero digit

• Trailing zero after a decimal point

• Leading zero

• Captive zero

Which of the following is not considered a significant figure?

• Non-zero digit

• Trailing zero after a decimal point

• Leading zero

• Captive zero

How many significant figures are in the number 0.020?

• 4

• 2

• 1

• 3

How many significant figures are in the number 1000?

• 3

• 1

• 2

• 4

In the number 0.020, how many significant figures are there?

• 4

• 2

• 3

• 1