Answer
a)$\approx6.498$
b)$\approx6.543$
c)$\approx6.580$
d)$\approx6.581$
Work Step by Step
We calculate them by using a calculator and then round them to the first $3$ decimal digits.
a)$2^{2.7}\approx6.498$
b)$2^{2.71}\approx6.543$
c)$2^{2.718}\approx6.580$
d)$2^{e}\approx6.581$