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andrezito [222]
2 years ago
12

The number of siblings a student has and the grade they have in math class

Mathematics
1 answer:
enyata [817]2 years ago
8 0

UM, Where's the question...

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84. Use properties of exponents to rewrite each expression with only positive, rational exponents. Then find the numerical value
Yakvenalex [24]

Answer:

a) 1/27

b) 16

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Step-by-step explanation:

a) x^{-3/2}

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x^{-3/2}=\frac{1}{x^{3/2} }

And now, solving for x = 9 we have:

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b) y^{4/3}

This is already a positive rational exponent so we are just going to substitute the value of y = 8 into the expression

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c) z^{-3/4}

Using the same property we used in a) we have:

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\frac{1}{z^3/4} } =\frac{1}{16^{3/4} } =\frac{1}{8}

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3 years ago
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