Answer
a)$\approx8.815$
b)$\approx8.821$
c)$\approx8.824$
d)$\approx8.825$
Work Step by Step
We calculate them by using a calculator and then round them to the first 3 decimal digits.
a)$2^{3.14}\approx8.815$
b)$2^{3.141}\approx8.821$
c)$2^{3.1415}\approx8.824$
d)$2^{\pi}\approx8.825$