Question

a) Simplify: (64) 2 3 − (32) 2 5 + ( 27) 0

Answer 1

Answer:672

Explanation: 64×23-32×25+0

=1472-800+0

= 1472-800

= 672

Answer 2

Answer:

${(64)}^{ \frac{2}{3} } - {(32)}^{ \frac{2}{5} } + {27}^{0} \\ = \sqrt[3]{ {64}^{2} } - \sqrt[5]{ {32}^{2} } + {27}^{0} \\ = {4}^{2} - {2}^{2} + 1 \\ = 16 - 4 + 1 \\ = \underline{ \underline{ 13}}$