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 many significant figures are in the number 9009.00?

Back

6 significant figures.

Front

Which of the following numbers have four significant figures? 56.75 g, 40.01 g, 0.6000 g, all of the choices.

Back

All of the choices have four significant figures.

Front

How many significant figures does the number 0.998005 have?

Back

6 significant figures.

Front

How many significant figures are in the number 4000.?

Back

4 significant figures.

Front

When multiplying 1.23 m by 0.89 m, what is the answer with the correct number of significant figures?

Back

1.1 m².

Front

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

Back

Count all non-zero digits and any zeros between them. Trailing zeros are not significant unless there is a decimal point.

Front

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

Back

Count all digits starting from the first non-zero digit on the left to the end of the number.

Front

How do you round a number to the correct number of significant figures?

Back

Look at the digit immediately after the last significant figure you want to keep. If it's 5 or greater, round up the last significant figure.

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.