Math_Significant Figures 04

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 many significant figures are in the number 1,500?

Back

2 significant figures.

Front

Which number is less accurate: 301 or 3.01?

Back

301 is less accurate because it has fewer significant figures.

Front

What is the result of 0.158 + 0.4 using significant figures?

Back

0.6 (rounded to the least number of decimal places).

Front

What is the result of 60 + 83.2 using significant figures?

Back

143 (rounded to the least number of decimal places).

Front

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

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is the rule for significant figures in multiplication and division?

Back

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

Front

Back

20 (rounded to 1 significant figure).

Front

How many significant figures are in the number 0.00456?

Back

3 significant figures.

Front

What is the significance of trailing zeros in a whole number without a decimal point?

Back

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