Sig Figs

Front

What are significant figures?

Back

Significant figures (sig figs) 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 do you determine the number of significant figures in a whole number?

Back

For whole numbers, significant figures are counted from the first non-zero digit to the last non-zero digit. Leading zeros are not counted.

Front

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

Back

In decimal numbers, all digits starting from the first non-zero digit to the end of the number are counted as significant figures.

Front

How many significant figures are in the number 10,080?

Back

4 significant figures.

Front

How many significant figures are in the number 350.540?

Back

6 significant figures.

Front

How many significant figures are in the number 0.456?

Back

3 significant figures.

Front

How many significant figures are in the number 72,100?

Back

3 significant figures.

Front

How many significant figures are in the number 0.0005?

Back

1 significant figure.

Front

What is the rule for counting trailing zeros in a decimal number?

Back

Trailing zeros in a decimal number are significant. For example, 2.300 has 4 significant figures.

Front

What is the rule for counting leading zeros?

Back

Leading zeros are not significant. For example, in 0.0045, there are 2 significant figures.