2 years ago

I need to know of an expression, that also uses an exponent that is equivalent to 5^-3

Mathematics

1 answer:

strojnjashka [21]2 years ago

5 0

Answer:

1/5^3

$\frac{1}{5^{3} }$

Step-by-step explanation:

I'm not sure how to explain this, but if there is a negative exponent, then it can be written like this, as the denominator of a fraction.

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

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inysia [295]

Answer:

Part a) The exact area of the sidewalk is $80\pi\ m^{2}$

Part b) The approximate area of the sidewalk is $251.2\ m^{2}$

Step-by-step explanation:

we know that

The area of the sidewalk is equal to the area of the outer circle minus the area of the inner circle

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Part b) Find the approximate area of the sidewalk

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substitute

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