What number multiplied by itself equals 90?

Here we will answer: What number multiplied by itself gives 90? In other words, what number times itself will equal 90?

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 = 90
x ≈ 9.487

Square Root Method:
Take the square root of 90 to get the answer:

√90 ≈ 9.487

Exponent Method:
Make the base 90 and the exponent 0.5 to get the answer:

90^0.5 ≈ 9.487

There you go! Now you know how to calculate "What number multiplied by itself equals 90?"

The bottom line is that 9.487 times itself equals approximately 90 as illustrated here:

9.487 x 9.487 ≈ 90

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