Power of a Power

To simplify an expression that has an exponent raised to a power, multiply the existing exponent by the power.

Power of a Power Rule : (xn)m = xnยทm

To see why this rule works, see the expansion below:

Power_Power

Therefore, Power_Power1 .

Example

Simplify Power_Power2 .

Use the Power of a Power Rule to multiply the exponents.

Power_Power3

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