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OpenStudy (anonymous):
How do I express 3^-2 using positive exponents?
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OpenStudy (anonymous):
if we have x^a, we can write 1/x^-a..when we write reciprocal the sign of the power changes..can you guess your answer now??
OpenStudy (anonymous):
1/3^2
OpenStudy (anonymous):
yes, you are right :)
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