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 a decimal number.

Front

How do you determine the number of Significant Figures in a whole number?

Back

For whole numbers, count all non-zero digits and any zeros that are between significant digits. Trailing zeros in a whole number without a decimal point are not considered significant.

Front

How do you determine the number of Significant Figures in a decimal number?

Back

In decimal numbers, count all non-zero digits, any zeros between significant digits, and trailing zeros to the right of the decimal point.

Front

What is the significance of zeros in Significant Figures?

Back

Leading zeros (zeros before the first non-zero digit) are not significant. Zeros between significant digits are significant, and trailing zeros in a decimal number are also significant.

Front

Determine the number of Significant Figures in 10 L.

Back

1

Front

How many sig figs does 1.20 x 10^5 have?

Back

3

Front

How many sig figs are in the conversion 100 cm = 1 m?

Back

infinite

Front

Determine the number of Significant Figures in 13410000 m.

Back

4

Front

Determine the number of Significant Figures in 506020 km.

Back

5

Front

What is the rule for addition and subtraction with Significant Figures?

Back

When adding or subtracting, the result should be reported to the least number of decimal places of any number in the operation.