What number multiplied by itself equals 45?

Here we will answer: What number multiplied by itself gives 45? In other words, what number times itself will equal 45?

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 = 45
x ≈ 6.708

Square Root Method:
Take the square root of 45 to get the answer:

√45 ≈ 6.708

Exponent Method:
Make the base 45 and the exponent 0.5 to get the answer:

45^0.5 ≈ 6.708

There you go! Now you know how to calculate "What number multiplied by itself equals 45?"

The bottom line is that 6.708 times itself equals approximately 45 as illustrated here:

6.708 x 6.708 ≈ 45

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