What number multiplied by itself equals 9900?

Here we will answer: What number multiplied by itself gives 9900? In other words, what number times itself will equal 9900?

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 = 9900
x ≈ 99.499

Square Root Method:
Take the square root of 9900 to get the answer:

√9900 ≈ 99.499

Exponent Method:
Make the base 9900 and the exponent 0.5 to get the answer:

9900^0.5 ≈ 99.499

There you go! Now you know how to calculate "What number multiplied by itself equals 9900?"

The bottom line is that 99.499 times itself equals approximately 9900 as illustrated here:

99.499 x 99.499 ≈ 9900

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