Significant Figures Practice

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

What is the significance of significant figures in calculations?

Back

Significant figures indicate the precision of measurements and calculations, ensuring that results reflect the accuracy of the data used.

Front

How many significant figures does the number 0.00345 have?

Back

3 significant figures.

Front

When 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

What is 129.6 divided by 3, rounded to the correct number of significant figures?

Back

4x10^1.

Front

Which of the following has three significant figures: 1014 miles, 101 feet, 1000 yards?

Back

101 feet.

Front

How do you round a number to one significant figure?

Back

Identify the first non-zero digit and round based on the digit immediately following it.

Front

Round the number 8291 to one significant figure.

Back

8000.

Front

What is 7.555 rounded to two significant figures?

Back

7.6.