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Evaluate 1/x^-2 for x =7
0-49
1/49
49​

User Danique
by
8.3k points

1 Answer

3 votes

Answer:

49

Explanation:

we have


(1)/(x^(-2))

Remember the property of exponents


(1)/(a^(-n))=a^n

so


(1)/(x^(-2))=x^2

For x=7

substitute the value of x in the expression above


7^2=49

User Jeff Tilton
by
8.3k points

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