<span>(5x^7 y^2)(-4x^4 y^5) =-20x^a y^b
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solve this:
(5x^7 y^2)(-4x^4 y^5)
= -20 x^(7 + 4) y^(2 + 5)
= -20 x^11 y^7
answer
</span>A) a=11, b=7
Answer:
width of rectangle is 87
Step-by-step explanation:
because perimeter of rectangle = 2(l+w)
Answer:
Isnt it 2?
Step-by-step explanation:
C is the answer to this question. I hope this helps.
Answer:
where is the question please