Significant Figures (Sig Figs!)

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

Calculate and round: 6.3 x 2.903 = ?

Back

18 (rounded to 2 significant figures, based on 6.3).

Front

Calculate and round: 540.34 - 14.0 = ?

Back

526.3 (rounded to 4 significant figures, based on 14.0).

Front

How many significant figures are in 5009 cm³?

Back

4 significant figures.

Front

How many significant figures are in 3404 pens?

Back

Infinite significant figures (exact count).

Front

Calculate and round: 3400 / 0.25 = ?

Back

14000 (rounded to 2 significant figures, based on 0.25).

Front

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

Back

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

The result should be rounded to the least number of significant figures of any number in the operation.

Front

Are trailing zeros in a whole number significant?

Back

Trailing zeros in a whole number without a decimal point are not significant.