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

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in a decimal number. Leading zeros are not counted.

Front

How many significant figures does the number 1.002040 have?

Back

7

Front

How many significant figures does the number 0.002040 have?

Back

4

Front

How many significant figures does the number 9980050 have?

Back

6

Front

How many significant figures does the number 100.00210 have?

Back

8

Front

How many significant figures does the number 100.3 have?

Back

4

Front

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

Back

Trailing zeros in a decimal number are considered significant because they indicate precision.

Front

What are leading zeros?

Back

Leading zeros are zeros that precede all non-zero digits in a number. They are not counted as significant figures.

Front

How many significant figures does the number 0.00045 have?

Back

2