Sig Figs REVIEW

Front

What are Significant Figures?

Back

Significant figures (sig figs) 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

To determine significant figures, 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 addition and subtraction with Significant Figures?

Back

When adding or subtracting, the result should be rounded to the least number of decimal places of any number in the operation.

Front

What is the rule for multiplication and division with Significant Figures?

Back

When multiplying or dividing, the result should have the same number of significant figures as the number with the least significant figures in the operation.

Front

Round 12.345 to 3 significant figures.

Back

12.3

Front

Round 0.00456 to 2 significant figures.

Back

0.0046

Front

Calculate 3.00 m x 2.0 m and give the answer with the appropriate number of significant figures.

Back

6.0 m²

Front

What is 0.00567 rounded to 1 significant figure?

Back

0.01

Front

Round 1500 to 2 significant figures.

Back

1500 (or 1.5 x 10^3 if expressed in scientific notation)

Front

How many Significant Figures are in 0.004500?

Back

4 significant figures.