Sig Figs Problem Set

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 whole number?

Back

For whole numbers, significant figures are determined by counting all non-zero digits and any zeros that are between them. Trailing zeros in a whole number without a decimal point are not considered significant.

Front

How do you determine the number of significant figures in a decimal number?

Back

In decimal numbers, all non-zero digits are significant, as well as any zeros that are between them or to the right of the last non-zero digit.

Front

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

Back

When multiplying or dividing, the result should be rounded to the least number of significant figures of any number in the operation.

Front

How many significant figures are in the number 406,000?

Back

The number 406,000 has 3 significant figures.

Front

How many significant figures are in the number 4,560?

Back

The number 4,560 has 3 significant figures.

Front

How many significant figures are in the number 400,506?

Back

The number 400,506 has 6 significant figures.

Front

What is the result of 207 + 2 rounded to the correct significant figures?

Back

The result of 207 + 2 is 209.

Front

What is the result of 100 / 2 rounded to the correct significant figures?

Back

The result of 100 / 2 is 50.