## Thinking Mathematically (6th Edition)

(a) $\sqrt{\pi} \approx 1.8$ (b) $\sqrt{\pi} \approx 1.77$ (c) $\sqrt{\pi} \approx 1.772$
Evaluate using a calculator to find: $\sqrt{\pi} \approx 1.77281...$ Then, follow the directions to round, rounding up numbers that are 5 or greater and rounding down numbers that are 4 or less. (a) $\sqrt{\pi} \approx 1.8$ (b) $\sqrt{\pi} \approx 1.77$ (c) $\sqrt{\pi} \approx 1.772$