What is the square root of 644?
Understand the Problem
The question is asking for the square root of the number 644. This involves calculating the value that, when multiplied by itself, equals 644.
Answer
$ \sqrt{644} \approx 25.30 $
Answer for screen readers
$ \sqrt{644} \approx 25.30 $
Steps to Solve
- Identify the number to calculate the square root of
We are looking for the square root of the number 644.
- Set up the equation
The square root of a number $x$ can be expressed mathematically as:
$$ \sqrt{x} = y $$
In our case, we have:
$$ \sqrt{644} = y $$
- Calculate the square root using approximation methods or a calculator
To find the value of $y$, we can use a calculator to find:
$$ y = \sqrt{644} \approx 25.2982 $$
- Round the answer if necessary
We can round this result to two decimal places for simplicity:
$$ y \approx 25.30 $$
$ \sqrt{644} \approx 25.30 $
More Information
The square root of 644 is approximately 25.30. Understanding square roots is useful in various areas of math, including geometry and algebra.
Tips
- A common mistake is to forget to use a calculator or miscalculate the square root manually. Always double-check your calculations or use a reliable tool.
- Another mistake might be misinterpreting the square root symbol, which specifically denotes a positive value.
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