Sig Figs

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 measurement?

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in a decimal number. Leading zeros are not counted.

Front

How many significant figures are in the number 0.010 m?

Back

2 significant figures.

Front

How many significant figures are in the number 72,100 g?

Back

3 significant figures.

Front

How many significant figures are in the number 10,080 sec?

Back

4 significant figures.

Front

How many significant figures are in the number 0.007?

Back

1 significant figure.

Front

How many significant figures are in the number 25.03 L?

Back

4 significant figures.

Front

What is the significance of trailing zeros in a decimal number?

Back

Trailing zeros in a decimal number are considered significant because they indicate precision.

Front

What are leading zeros and how do they affect significant figures?

Back

Leading zeros are the zeros before the first non-zero digit. They are not counted as significant figures.

Front

How do you round a number to a specific number of significant figures?

Back

To round a number, look at the digit immediately after the last significant figure you want to keep. If it's 5 or more, round up; if it's less than 5, keep the last significant figure as is.