Square root of 9980

The square root of 9980 is 99.89995 (rounded to 6 decimal places). In simplest radical form it is 2√2495.

Square root of 9980

Pick any whole number from 1 to 10,000.

\sqrt{9980} = 2\sqrt{2495} \approx 99.89995

How to work it out

1
The square root of 9980 is the number that multiplied by itself gives 9980.
2
9980 is between the perfect squares 99² = 9801 and 100² = 10000, so its square root is between 99 and 100.
3
Pull out the biggest square factor: 9980 = 4 × 2495, so
$\sqrt{9980} = \sqrt{4 \times 2495} = 2\sqrt{2495}$
4
A calculator, or long division of digits, gives
$\sqrt{9980} \approx 99.89995$

LaTeX source of the formulas on this page

\[ \sqrt{9980} = 2\sqrt{2495} \approx 99.89995 \]
\[ \sqrt{9980} = \sqrt{4 \times 2495} = 2\sqrt{2495} \]
\[ \sqrt{9980} \approx 99.89995 \]

What is the square root of 9980?

The square root of 9980 is 99.89995 (rounded to 6 decimal places). In simplest radical form it is 2√2495.

Is 9980 a perfect square?

No. It lies between 99² = 9801 and 100² = 10000.

What is 9980 squared?

9980 × 9980 = 99600400.

What is the square root of 9980 rounded to 2 decimals?

99.90.