Answer
(a) $\sqrt{2\pi} \approx 2.5$
(b) $\sqrt{2\pi} \approx 2.51$
(c) $\sqrt{2\pi} \approx 2.507$
Work Step by Step
Evaluate using a calculator to find:
$\sqrt{2\pi} \approx 2.507132...$
Then, follow the directions to round, rounding up numbers that are 5 or greater and rounding down numbers that are 4 or less.
(a) $\sqrt{2\pi} \approx 2.5$
(b) $\sqrt{2\pi} \approx 2.51$
(c) $\sqrt{2\pi} \approx 2.507$
