Question

Which expression is equivalent to 5−4/4−3 ? −64 −1/64 1/64 64

Answer 1

Solution:

The expression is

$\frac{5-4}{4^{-3}}=1 \times 4^3= 4 \times 4 \times 4=64$→→→Used law of indices here ,$\frac{1}{a^{-m}}=a^m and\\\\ a^m = a \times a \times a (\text{m times})$

Option D: 64 is right choice.

Answer 2

Its 64 hope you get a good grade