What is the solution of 7k+2=4k-10?

1 answer:

Scrat [10]3 years ago

3 0

This is how you do the problem. Hope this helps!

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devlian [24]

The thousandth
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kykrilka [37]

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Alina [70]

Answer:

Step-by-step explanation:

The relevant rules of exponents are ...

(a^b)^c = a^(bc)

a^-b = 1/a^b

$\left(\dfrac{2^{-10}}{4^2}\right)^7=\dfrac{2^{(-10)(7)}}{4^{(2)(7)}}=\dfrac{2^{-70}}{4^{14}}\\\\=\boxed{\dfrac{1}{2^{70}\cdot 4^{14}}}$

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nikdorinn [45]

4 / (1/4 - 5/2)

4 / (1/4 -10/4)

4 / (-9/4)

4 x (-4/9) = -16/9

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3 years ago