Eva tried to evaluate an expression step by step. -7/-2 / 4/9
step one: -7/-2 ÷ 4/9
step two: -7/-2 ⋅ 9/4
step three: = -63/8
where did Eva make a mistake?
a. step one
b. step two
c. step three
d. there is no mistake

c. step three

Step-by-step explanation:

CORRECT WAY

step one: -7/ -2 / 4/9 (flip 4/9)

step two: -7/-2 * 9/4 (simplify)

step three: = 63/8

Step three is incorrect because it's not - it's positive.

She forgot that a negative divided by a negative is a positive.

So -7/-2 is the same as 7/2

Hope this helps ya!!!

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step-by-step explanation: