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zloy xaker [14]

2 years ago

8

Kiara bought fabric to make a dress and a sewing machine. The total cost of her purchase, $80.50, included both the cost of her

sewing machine
Write an equation to determine the cost of fabric per foot

find the cost of fabric per foot

1 answer:

Mama L [17]2 years ago

4 0

The cost is of fabric per foot 40.25$

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3 years ago

Chris tried to rewrite the expression \left( 4^{-2} \cdot 4^{-3} \right)^{3}(4

crimeas [40]

We have been given an expression $\left( 4^{-2} \cdot 4^{-3} \right)^{3}$ . We have been given steps how Chris tried to solve the given expression. We are asked to choose the correct option about Chris's work.

Let us simplify our given expression.

Using exponent property, $a^m\cdot a^n=a^{m+n}$ , we cab rewrite our given expression as:

$\left( 4^{-2+(-3)} \right)^{3}$

$\left( 4^{-5} \right)^{3}$

Now we will use exponent property $(a^m)^n=a^{m\cdot n}$ to further simplify our expression.

$\left( 4^{-5} \right)^{3}= 4^{-5\cdot 3}$

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Therefore, Chris made mistake in step 2.

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4 years ago

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Step-by-step explanation:

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3 years ago

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horsena [70]

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3 years ago

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