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3 years ago

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Stephen earns $17 an hour (h) at his job. This week, he had to buy a new uniform shirt for $25. He had $825 left of his paycheck

that week. How many hours did Stephen work this week?

1 answer:

lidiya [134]3 years ago

3 0

Answer:

Stephen worked 50 hours that week

Step-by-step explanation:

17 * 50 = 850

850 - 25 = 825

So stephen worked 50 hours

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Solution:

Given expression is $4 x \cdot \frac{1}{x^{-5}} \cdot x^{-3}$ .

To simplify the given expression.

$$\Rightarrow4 x \cdot \frac{1}{x^{-5}} \cdot x^{-3}$

Using exponent rule: $\frac{1}{a^{-m}}=a^m$

$$\Rightarrow4x \cdot x^{5}.x^{-3}$

Using another exponent rule: $a^m \cdot a^n=a^{m+n}$

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