Squaring a number is the inverse of determining the square root of a number. Squaring an integer is the same as multiplying it by itself. The square root of four, for example, is two, and two squared is four.
Raising a number to the power of two is the same as squaring it. A two in superscript following the number is commonly used to indicate it. The adjective “quadratic” is used to describe squaring. A square number or a perfect square is the square of an integer. Integers are numbers that can’t be expressed with fractions. Integers include numbers like 245, -15, and 0. As they are the corresponding squares of those integers, 60,025, 225, and 0 are perfect squares.
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