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

Which of the following has one significant figure? 100 cm, 0.0001 cm, 2 cm, 2.00 cm?

Back

0.0001 cm has one significant figure.

Front

How many significant figures are in the number 0.00400?

Back

3 significant figures.

Front

When multiplying 1.23 m by 0.89 m, what is the answer with the correct number of significant figures?

Back

1.1 m².

Front

When dividing 923 g by 20312 cm³, what is the answer with the correct number of significant figures?

Back

0.0454 g/cm³.

Front

What is the rule for counting significant figures in zeros?

Back

Leading zeros are not significant. Zeros between significant digits are significant. Trailing zeros in a decimal number are significant.

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 the decimal portion.

Front

What is the significance of significant figures in scientific calculations?

Back

Significant figures indicate the precision of measurements and ensure that calculations reflect the accuracy of the data.

Front

How many significant figures are in the number 0.00560?

Back

3 significant figures.