How to rewrite an expressions with negative exponents so that the exponent is positive?
1 answer:
A^(-b) = 1 / (a^b)
examples : 4^(-3) = 1 / (4^3) = 1 / 64
2 + 4^(-2) = 2 + 1/(4^2) = 2 + 1/16 = 2 1/16
3 * 2^(-2) = 3 * 1 / (2^2) = 3 * 1/4 = 3/4
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