How to multiply 81 by itself 4 times

How to multiply 81 by itself 4 times. In other words, what is 81 multiplied by itself 4 times?

To multiply 81 by itself 4 times is the same as 81 to the power of 4 (81^4) or eighty-one to the fourth power. Specifically, 81 is the base and 4 is the exponent like this:

81⁴

81⁴ is 81 multiplied by itself 4 times which is 81 × 81 × 81 × 81.

Here is how we calculate it:

81
81 × 81 = 6561
6561 × 81 = 531441
531441 × 81 = 43046721

That is it! Now you know how to multiply 81 by itself 4 times.

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