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5 votes
Which expression is equivalent to (7x^2)(3x^-4)

A. 21X ^-8
B. 21X^2
C. 21X^-6
D. 21X ^-2

User Goun
by
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1 Answer

4 votes

Answer:

the answer is b

Explanation:

heres why:

(7x^2)(3x^-4)

7x3=21x

21/x^4

21/x²

User MashukKhan
by
5.1k points