Question

Evaluate the expression 5x^3 for x=2
PLS HELP!!!
​

Answer 1

Answer: 40

Explanation:

Answer 2

Answer: 20

Explanation:
5x^2

5 ( 2 )^2 (substituting the value of x)

5 ( 2 x 2) (working out the exponents of x)

5 (4) (solving the brackets)

20