Select the equivalent expression. \left(3^{-8}\cdot 7^{3}\right)^{-2}=?(3
−8
⋅7
3
)
−2
=?left parenthesis, 3, start superscript, minus, 8, end superscript, dot, 7, cubed, right parenthesis, start superscript, minus, 2, end superscript, equals, question mark
Choose 1
Choose 1

(Choice A)
A
21^{10}21
10
21, start superscript, 10, end superscript

(Choice B)
B
\dfrac{7^6}{3^{16}}
3
16

7
6

​
start fraction, 7, start superscript, 6, end superscript, divided by, 3, start superscript, 16, end superscript, end fraction

(Choice C)
C
3^{16}\cdot 7^{-6}3
16
⋅7
−6

this is a very good question

step-by-step explanation:

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3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb