How to multiply 90 by itself 7 times

How to multiply 90 by itself 7 times. In other words, what is 90 multiplied by itself 7 times?

To multiply 90 by itself 7 times is the same as 90 to the power of 7 (90^7) or ninety to the seventh power. Specifically, 90 is the base and 7 is the exponent like this:

90⁷

90⁷ is 90 multiplied by itself 7 times which is 90 × 90 × 90 × 90 × 90 × 90 × 90.

Here is how we calculate it:

90
90 × 90 = 8100
8100 × 90 = 729000
729000 × 90 = 65610000
65610000 × 90 = 5904900000
5904900000 × 90 = 531441000000
531441000000 × 90 = 47829690000000

That is it! Now you know how to multiply 90 by itself 7 times.

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