Mathematics
Gab391
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7^-1+9^-1, how do you solve this exponent equation?

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(1) Answers
mzbella1

Raising to a negative power just makes the base value into a fraction For example, x^-1 turns into (1/x^1) This means that your equation goes from 7^-1+9^-1 to (1/7)+(1/9) 1/7+1/9 simplifies to 16/63 after all of the common denominator stuff So, in short 7^-1+9^-1 = 16/63

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