An exponent is a number that tells the number of times the base is used as a factor.
In 20^{3}, 3 is the exponent and 20 is the base. The exponent ( 3 ) tells us that the base ( 20 ) will be a factor 3 times.
20 × 20 × 20
Other examples
In 12^{9}, 9 is the exponent.
In 7^{-2}, -2 is the exponent.
In 5^{147}, 147 is the exponent.
A common mistake by students is to say that 6^{4} = 6 × 4.
6^{4} is not equal to 6 × 4.
It is equal to
6 × 6 × 6 × 6
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