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The problem asks us to find the square root of 729. We need to find a number that, when multiplied by itself, equals 729. The expression is $\sqrt{729} = ?$

ArithmeticSquare RootsExponentsNumber Properties
2025/3/21

1. Problem Description

The problem asks us to find the square root of
7
2

9. We need to find a number that, when multiplied by itself, equals

7
2

9. The expression is $\sqrt{729} = ?$

2. Solution Steps

We are looking for a number xx such that x2=729x^2 = 729. We can start by trying some numbers.
202=40020^2 = 400, which is less than
7
2

9. $30^2 = 900$, which is greater than

7
2

9. So, the answer is between 20 and

3

0. Let's try

2

5. $25^2 = 625$, which is less than

7
2

9. Let's try

2

7. $27^2 = 27 \times 27 = 729$.

Thus, 729=27\sqrt{729} = 27.

3. Final Answer

27

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