How to multiply 9 by itself 2 times

How to multiply 9 by itself 2 times. In other words, what is 9 multiplied by itself 2 times?

To multiply 9 by itself 2 times is the same as 9 to the power of 2 (9^2) or nine to the second power. Specifically, 9 is the base and 2 is the exponent like this:

9²

9² is 9 multiplied by itself 2 times which is 9 × 9.

Here is how we calculate it:

9
9 × 9 = 81

That is it! Now you know how to multiply 9 by itself 2 times.

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