Question

simplify (0.1)⁴

Answer 1

0.0001
or if you prefer:
\[\frac{1}{10000}\]

Answer 2

The reason for the answer is as follows. Something to the power of four is like multiplying that number four times over. So, in this case, you have 0.1 x 0.1 x 0.1 x 0.1. That comes out to 0.0001.