Remaining Power Rules

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 = xn·m

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

Power_Power

Therefore, Power_Power1 .

Example

Simplify Power_Power2 .

Use the Power of a PowerRule to multiply the exponents.

Power_Power3