AzayliahG109570 AzayliahG109570

25-10-2022
Mathematics

contestada

Simplify and give answer as positive exponentkoa) x4. x-7xb)k4

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LarryB463555 LarryB463555

25-10-2022

To simplify the expression, we need to use an exponent propertie

[tex]a^n\cdot a^m=a^{n+m}[/tex]

Then, we can see that in this case a = x, n = 4 and m = -7

So now we must replace the values

[tex]x^4\cdot x^{-7}=x^{4-7}=x^{-3}[/tex]

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