Question

B) Work out

(10-3 × 2)²
c) What is the value of the power a if 5ª:
=
125
?

Answer 1

b) 16

c) 3

Explanation:

b)

`(10 - 3 * 2)^2\\\to (10 - 6)^2\\\to 4^2 \to 16`

c)

`5^a = 125\\\to 5^a = 5^3\\\to a = 3`

Answer 2

It would be 5^3 or 5 cubed. Power a is 3

Explanation: