Thesquareof 0.9 will result to 0.81, and thesquarerootof 0.81 is equal to 0.9.What is square and square rootSquares are the numbers gotten after multiplying a value by itself. While thesquarerootof a number is a number whosesquareis the given number. Hence, both are vice versa methods.We shall solve for the square root of the number 0.81 as follows;0.81 = (0.9 × 0.9)by taking thesquarerootof both sides we have;√0.81 = √(0.9 × 0.9)√0.81 = √(0.9)²√0.81 = 0.9Therefore, thesquareof 0.9 will result to 0.81, and thesquarerootof 0.81 is equal to 0.9Know more aboutsquareandsquareroothere:brainly.com/question/428672#SPJ1...

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