Solving equations with indices

Question

please work these out explaining each step (without the use of a calculator)

1. 43/2

2. 1005/2

3. 320.4

4. 100011/3

Answer 1

????????????????? wotz with the nutty numbers ?????????????

a big 4 & then a small 3/2

iz zat spozed tu meen sumthun???????????????

Comments

if you really need help working what the small numbers are then here, the smaller numbers powers. e.g 4 3/2 is 4 to the power 3/2