Calculate the square root of 169

Problem

√(,169)

Solution

1. Identify the number under the radical, which is 169.

2. Determine if 169 is a perfect square by testing integers.

3. Calculate the product of 13 and 13.

13×13=169

4. Conclude that the principal square root is the positive integer that, when multiplied by itself, equals 169.

Final Answer

√(,169)=13

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