What number multiplied by itself equals 800?

Here we will answer: What number multiplied by itself gives 800? In other words, what number times itself will equal 800?

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 = 800
x ≈ 28.284

Square Root Method:
Take the square root of 800 to get the answer:

√800 ≈ 28.284

Exponent Method:
Make the base 800 and the exponent 0.5 to get the answer:

800^0.5 ≈ 28.284

There you go! Now you know how to calculate "What number multiplied by itself equals 800?"

The bottom line is that 28.284 times itself equals approximately 800 as illustrated here:

28.284 x 28.284 ≈ 800

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The answer on this page is rounded to the nearest thousandth, if necessary.