Significant Figures

Front

What are significant figures?

Back

Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal part.

Front

How do you determine the number of significant figures in a number?

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion. Leading zeros are not counted.

Front

Round 100,375 mm to 4 significant figures.

Back

100,400 mm

Front

Calculate 5.50 cm + 5.5 cm and give your answer with the correct number of significant figures.

Back

11.0 cm

Front

Which of the following numbers have four significant figures? 56.75 g, 40.01 g, 0.6000 g, all of the choices.

Back

All of the choices

Front

What is 0.658 L rounded to 1 significant figure?

Back

0.7 L

Front

Which of the following numbers has three significant figures? 1014 miles, 101 feet, 1000 yards, all of the choices.

Back

101 feet

Front

What is the rule for adding and subtracting significant figures?

Back

The result should be reported to the least number of decimal places of any number in the operation.

Front

What is the rule for multiplying and dividing significant figures?

Back

The result should have the same number of significant figures as the number with the least significant figures in the operation.

Front

How many significant figures are in the number 0.00456?

Back

Three significant figures.