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 portion.

Front

How many significant figures are in the number 100.00?

Back

5 significant figures.

Front

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

Back

Count all non-zero digits, any zeros between them, and trailing zeros in a decimal number.

Front

Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.

Back

3.9 m/s.

Front

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

Back

1.1 m².

Front

How many significant figures are in the number 100000000?

Back

1 significant figure.

Front

How many significant figures are in the number 9009.00?

Back

6 significant figures.

Front

What is the rule for adding and subtracting significant figures?

Back

The result should be rounded 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 measurement with the least significant figures.

Front

How many significant figures are in the number 0.00456?

Back

3 significant figures.