Sig fig rounding

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 number?

Back

To determine the number of significant figures, count all non-zero digits, any zeros between them, and trailing zeros in a decimal number. Leading zeros are not counted.

Front

Round 1042 Liters to 2 significant figures.

Back

1.0 x 10^3 L

Front

Round 0.010229 to four significant figures.

Back

0.01023

Front

How many significant figures are in the number 4000?

Back

4

Front

Round 1009 to three significant figures.

Back

1010

Front

Round 0.087084 to 2 significant figures.

Back

0.087

Front

What is the rule for rounding numbers?

Back

If the digit to the right of the last significant figure is less than 5, round down. If it is 5 or greater, round up.

Front

What is the significance of trailing zeros in a decimal number?

Back

Trailing zeros in a decimal number are significant because they indicate precision. For example, 2.300 has four significant figures.

Front

How do you round a number with a zero in the middle?

Back

When rounding a number with a zero in the middle, consider the digits to the right of the last significant figure to determine whether to round up or down.