How to multiply 20 by itself 2 times

How to multiply 20 by itself 2 times. In other words, what is 20 multiplied by itself 2 times?

To multiply 20 by itself 2 times is the same as 20 to the power of 2 (20^2) or twenty to the second power. Specifically, 20 is the base and 2 is the exponent like this:

20²

20² is 20 multiplied by itself 2 times which is 20 × 20.

Here is how we calculate it:

20
20 × 20 = 400

That is it! Now you know how to multiply 20 by itself 2 times.

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