s28430775 s28430775

22-09-2020
Mathematics

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Evaluate 27x^0y^-2 for x=4 and y=3.

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wegnerkolmp2741o wegnerkolmp2741o

22-09-2020

Answer:

3

Step-by-step explanation:

27x^0y^-2

Let x= 4 and y = 3

Anything to the zero power is 1 ( except 0)

27 * 1 * 3 ^-2

We know

a^ -b = 1/a^b

27 * 1 * 1/3^2

27 * 1 * 1/9

3

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