What number multiplied by itself equals 78?

Here we will answer: What number multiplied by itself gives 78? In other words, what number times itself will equal 78?

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 = 78
x ≈ 8.832

Square Root Method:
Take the square root of 78 to get the answer:

√78 ≈ 8.832

Exponent Method:
Make the base 78 and the exponent 0.5 to get the answer:

78^0.5 ≈ 8.832

There you go! Now you know how to calculate "What number multiplied by itself equals 78?"

The bottom line is that 8.832 times itself equals approximately 78 as illustrated here:

8.832 x 8.832 ≈ 78

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