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

What is the significance of rounding to significant figures?

Back

Rounding to significant figures ensures that the precision of a measurement is accurately represented, preventing overstatement of accuracy.

Front

Round 1042 Liters to 2 significant figures.

Back

1.0 x 10^3 L

Front

How many significant figures are in the number 0.002040?

Back

4

Front

Determine the number of significant figures in 506020 km.

Back

5

Front

Round 0.010229 to four significant figures.

Back

0.01023

Front

When multiplying 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 significant figures.

Front

Solve and round accordingly: 25.0 x 17 = ?

Back

430

Front

What is the rule for adding and subtracting significant figures?

Back

The result should have the same number of decimal places as the measurement with the least decimal places.