shelbywill1 shelbywill1

20-11-2020
Mathematics

contestada

Which expression is equivalent to (7x^2)(3x^-4)
A. 21X ^-8
B. 21X^2
C. 21X^-6
D. 21X ^-2

Respuesta :

jaedanwill jaedanwill

20-11-2020

Answer:

the answer is b

Step-by-step explanation:

heres why:

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

7x3=21x

21/x^4

21/x²

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