Question

4). Simplify: a) { ( 1/2)2 – ( 1/4)23 b) {(3²-2²)÷(1/5)²}​

Answer 1

Answer:

a={(1/2)×2-(1/4)23

2/2-23/4

4-23/4

-19/4

b) {(3²-2²)/(1/5)²}

{5/1/25}

5×25

125