Significant Figures Practice

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 0.00258?

Back

3

Front

How many significant figures are in the number 250,000?

Back

2

Front

How many significant figures are in the number 47.00?

Back

4

Front

How many significant figures are in the number 0.0005?

Back

1

Front

How many significant figures are in the number 8.0?

Back

2

Front

What is the rule for counting significant figures in decimal numbers?

Back

In decimal numbers, all non-zero digits are significant, and any zeros to the right of a decimal point and after a non-zero digit are also significant.

Front

What is the rule for counting significant figures in whole numbers without a decimal?

Back

In whole numbers without a decimal, only the non-zero digits are significant. Trailing zeros are not considered significant unless specified by a decimal.

Front

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

Back

To determine significant figures, identify all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is the significance of significant figures in scientific measurements?

Back

Significant figures indicate the precision of a measurement and help communicate the uncertainty in the data.