What number multiplied by itself equals 398?

Here we will answer: What number multiplied by itself gives 398? In other words, what number times itself will equal 398?

We have identified many different ways of getting the answer to this question:

Algebra Method:
Make an algebra equation and solve for x:

x • x = 398
x ≈ 19.95

Square Root Method:
Take the square root of 398 to get the answer:

√398 ≈ 19.95

Exponent Method:
Make the base 398 and the exponent 0.5 to get the answer:

398^0.5 ≈ 19.95

There you go! Now you know how to calculate "What number multiplied by itself equals 398?"

The bottom line is that 19.95 times itself equals approximately 398 as illustrated here:

19.95 x 19.95 ≈ 398

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