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 0.00998005 have?

Back

6

Front

How many significant figures does the number 100.002100 have?

Back

9

Front

When multiplying or dividing numbers, how do you determine the number of significant figures in the result?

Back

The result should have the same number of significant figures as the measurement with the least number of significant figures.

Front

Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.

Back

10 cm³

Front

How many significant figures does the number 1740200 have?

Back

5

Front

What is the significance of reporting measurements with the correct number of significant figures?

Back

It reflects the precision of the measurement and helps avoid misinterpretation of data.

Front

How many significant figures does the number 15 have when reported as the number of girls in a class?

Back

Infinite

Front

What are leading zeros, and do they count as significant figures?

Back

Leading zeros are the zeros before the first non-zero digit in a number. They do not count as significant figures.