Question

Simplify : 1/5^-4

Answer 1

625

Answer 2

\[ ({1\over5})^{-4} \]\[=5^4\]\[=5 \times 5 \times 5\times 5\]\[=25 \times 25\]\[=25 \times 20 + 25 \times 5\]\[=500+125\]\[=625\]

Answer 3

= 1/ ( 1/5^4)
= 5^4 = 625