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The repeated multiplication is represented by the term exponent.

e.g.

3 × 3 × 3 × 3 = 3^4

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For Multiplication of exponent with same bases , we write the Base once and add the Exponents

e.g.

3^2 . 3^3 = 3^2+3 = 3^5

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For division of exponents with same bases , we write base once and subtract the exponents.

e.g.

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If the denominator has a exponents with negative index it becomes positive on numerator and vise versa.

e.g.

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zero raised to any number is one.

e.g.

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Any number raised to one is number itself.

Thanks.