SOLUTION: write each expression using positive exponets. 7^-2

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Question 214688: write each expression using positive exponets. 7^-2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Recall that x%5E%28-2%29=1%2Fx%5E2. In other words, if you have a negative exponent, you can rewrite the expression with a positive exponent by flipping the fraction.


In this problem, 7%5E%28-2%29=1%2F7%5E2=1%2F49 or simply 7%5E%28-2%29=1%2F49