Significant Figures Practice (with calculations)

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 measurement?

Back

To determine the number of significant figures in a measurement, count all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion. Leading zeros are not counted.

Front

What is the rule for significant figures in multiplication and division?

Back

In multiplication and division, the result should have the same number of significant figures as the measurement with the least number of significant figures.

Front

What is the rule for significant figures in addition and subtraction?

Back

In addition and subtraction, the result should be rounded to the least number of decimal places of any number in the operation.

Front

How many significant figures are in the number 0.00456?

Back

There are three significant figures in the number 0.00456.

Front

How many significant figures are in the number 100.0?

Back

There are four significant figures in the number 100.0.

Front

What is the result of 0.9 divided by 2.3, considering significant figures?

Back

The result is 0.4, rounded to one significant figure.

Front

What is the result of 5.9 multiplied by 6.01, considering significant figures?

Back

The result is 35, rounded to two significant figures.

Front

What is the correct answer for 12.00 m + 15.001 m, considering significant figures?

Back

The correct answer is 27.00 m, rounded to two decimal places.

Front

What is the result of 1.31 cm multiplied by 2.3 cm, considering significant figures?

Back

The result is 3.0 cm², rounded to two significant figures.