Significant Figures Check Point

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 them, and trailing zeros in a decimal number. Leading zeros are not counted.

Front

What is the rule for rounding to significant figures?

Back

When rounding to a certain number of significant figures, if the digit to the right is 5 or greater, round up the last significant figure. If it is less than 5, do not change the last significant figure.

Front

What is 78.5 rounded to one significant figure?

Back

80

Front

What is the result of 0.0005 meters + 0.029 meters?

Back

0.030 meters

Front

How do you multiply numbers with significant figures?

Back

The result should have the same number of significant figures as the number with the least significant figures in the operation.

Front

What is 5.9 x 6.01 rounded to significant figures?

Back

35

Front

What is the 2nd significant figure of 0.40520?

Back

0

Front

How many significant figures are in the number 0.0457?

Back

3

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.