What is 21 with an exponent of 4?

21 with an exponent of 4 means that 21 is the base (b) and 4 is the exponent (n).

Here is how you would display the number 21 with an exponent of 4 in mathematical terms:

bⁿ ⇒ 21⁴

Furthermore, bⁿ means to multiply b by b, n times.

So to calculate 21 with an exponent of 4, you can write 21, 4 times with a multiplication symbol between them like so:

21 · 21 · 21 · 21

When we multiply them together, we get the answer to 21 with an exponent of 4.

21⁴ = 194,481

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