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Concept

Power

A power is the product of a repeated factor. A power expression consists of two parts. The base is the repeated factor and the exponent indicates how many times the base is used as a factor. Consider, for example, the power expression with base and exponent
A power expression 7^4 where 7 is the base and 4 is the exponent
In this example, is multiplied by itself times.
Most powers are read in the same way, whether they are numeric or algebraic.
Expression Example Example
to the second power squared
to the third power cubed
raised to the power of raised to the fourth power
raised to the power of raised to the fourth power
to the power of to the ninth power

This table contains two special cases — when a number or variable is raised to the power of or the power can be read as squared or cubed, respectively.