simplify i to a negative power
Rational/negative exponents
Negative Exponents (examples, solutions, videos)
Zero and Negative Exponents
How to Calculate Negative Exponents: 10 Steps (with Pictures)
How to solve equations containing negative exponents and fractions - Quora
Negative Exponents
How To Use the Power of a Power Rule with Negative Exponents, Algebra
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Negative Exponents Explained!