What number multiplied by itself equals 80?

Here we will answer: What number multiplied by itself gives 80? In other words, what number times itself will equal 80?

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 = 80
x ≈ 8.944

Square Root Method:
Take the square root of 80 to get the answer:

√80 ≈ 8.944

Exponent Method:
Make the base 80 and the exponent 0.5 to get the answer:

80^0.5 ≈ 8.944

There you go! Now you know how to calculate "What number multiplied by itself equals 80?"

The bottom line is that 8.944 times itself equals approximately 80 as illustrated here:

8.944 x 8.944 ≈ 80

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