Yes, the square root of 4 is a whole number. The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, the square root of 4 is 2 because 2 x 2 equals 4. Since 2 is an integer without any fractional or decimal part, it is classified as a whole number. Whole numbers are non-negative integers, which include 0 and all positive integers. Therefore, 2 is indeed a whole number.
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