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 many significant figures are in the number 100.00?

Back

5 significant figures.

Front

How many significant figures are in the number 100000000?

Back

1 significant figure.

Front

How many significant figures are in the number 0.002040?

Back

4 significant figures.

Front

When subtracting 7.987 m - 0.54 m, what is the answer with the correct number of significant figures?

Back

7.45 m.

Front

How many significant figures are in the number 5.00000008?

Back

9 significant figures.

Front

What is the rule for counting significant figures in a whole number without a decimal point?

Back

Only non-zero digits are counted as significant figures.

Front

What is the rule for counting significant figures in a number with a decimal point?

Back

All non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion are counted as significant figures.

Front

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

Back

Count all non-zero digits, any zeros between them, and trailing zeros in the decimal part.

Front

What is the significance of significant figures in calculations?

Back

Significant figures indicate the precision of measurements and ensure that calculations reflect the accuracy of the data.