How to multiply 40 by itself 2 times

How to multiply 40 by itself 2 times. In other words, what is 40 multiplied by itself 2 times?

To multiply 40 by itself 2 times is the same as 40 to the power of 2 (40^2) or forty to the second power. Specifically, 40 is the base and 2 is the exponent like this:

40²

40² is 40 multiplied by itself 2 times which is 40 × 40.

Here is how we calculate it:

40
40 × 40 = 1600

That is it! Now you know how to multiply 40 by itself 2 times.

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