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4 years ago

5 with a negative exponent of 4 over 5 with a exponent of 3 simplified

1 answer:

8 0

So with this problem I do not get any of the answers listed above.
Regardless, apply the exponent rule x^a/x^b = 1/x^b - a
5^-5/5^3 = 1/5^3 - (-5) = 1/5^8
Therefore the final answer is.
$\frac{1}{5^8}$

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Step-by-step explanation:

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3 years ago

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KATRIN_1 [288]

Answer:

Step-by-step explanation:

The equations are:

2x + y - 7 = 0

and

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Let's rearrange the first to get:

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Putting this into the 2nd equation we get:

$\frac{1}{3}x + y -4 = 0\\\frac{1}{3}x + (-2x+7) -4 = 0\\\frac{1}{3}x-2x+7-4=0\\\frac{5}{3}x=3\\x=\frac{9}{5}$

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Answer choice B is right.

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3 years ago

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Answer:

Step-by-step explanation:

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4 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago