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Is 164 a perfect square?

A. Yes, because [tex]4 \cdot 41 = 164[/tex], and 4 is a perfect square, so 164 is also a perfect square.

B. Yes, because [tex]164 = 100 + 64[/tex], and 100 and 64 are both perfect squares, so 164 is a perfect square.

C. Yes, because perfect squares must be even numbers, and 164 is an even number.

D. No, because there is no whole number that, when multiplied by itself, gives 164.

Answer :

To determine if 164 is a perfect square, we need to understand what a perfect square is. A perfect square is a number that can be expressed as the square of an integer. In simpler terms, you should be able to find a whole number that, when multiplied by itself, equals 164.

1. Understanding the Concept: For example, 4 is a perfect square because [tex]\(2 \times 2 = 4\)[/tex], and 9 is a perfect square because [tex]\(3 \times 3 = 9\)[/tex]. We need to find out if there is a whole number [tex]\(n\)[/tex] such that [tex]\(n \times n = 164\)[/tex].

2. Finding the Square Root: The way to check this is by calculating the square root of 164 and seeing if it results in a whole number. In our case, the square root of 164 is approximately 12.8062.

3. Checking Wholeness: Since 12.8062 is not a whole number (it has decimal places), there is no integer [tex]\(n\)[/tex] that satisfies [tex]\(n \times n = 164\)[/tex]. Therefore, 164 cannot be expressed as the square of a whole number.

Based on this explanation, we conclude that 164 is not a perfect square. There is no whole number that, when multiplied by itself, gives 164.

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