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hichkok12 [17]
3 years ago
8

Which expression is equal to -3b^4(6b^-8)? Assume b=/0

Mathematics
1 answer:
Hatshy [7]3 years ago
5 0

Answer:

-18 b^-4= -18/b^4

Step-by-step explanation:

-3b^4(6b^-8)

Combine coefficients

-3*6 = -18

Combine exponents since the bases are the same, x^y * x^z = x^(x+z)

b^4 *b^ -8

b^(4+-8)

b^ -4

Put back together

-18 b^-4

We also know that x^-y = 1/x^y

-18/b^4

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