September 20th, 2018

Rounding to significant figures

Round 53,879 to 1 significant figure, then 2 significant figures.

• 5|3879 to 1 significant figure is 50,000
• 53|879 to 2 significant figures is 54,000

Notice that the number of significant figures in the question is the maximum number of non-zero digits in your answer.
Round 0.005089 to 1 significant figure, then 2 significant figures.

• 0.005|089 to 1 significant figure is 0.005
• 0.0050|89 to 2 significant figures is 0.0051

HW: Q13 and 14