Question

woderful Mathematics book 7
evaluate each of the following
5³-4³
​

Answer 1

5^3-4^3 = 125-64= 61

Remember!

There are no easy rules for addition and subtraction of variables raised to a power. We add or subtract exponential powers only in case of multiplication or division

Answer 2

5*5*5 = 125
4*4*4 = 64

125 - 64 = 61

:)