Rena used the steps below to evaluate the expression 4

when X=-1 and y = 2

Step 1

Substitute X=-1 andy - 2 into the expression

(C-17 (272)

2(+134(2)

Step 2

Simplify the parentheses

(2)4

2(-1)(-1) (2)2

2-02

Step 3

Evaluate the power to a power

(2)

2-3 (-1)-21

Sten 4

Ilse rerinrocals and find the value