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The most obvious answer here is to simply take it's square root, and see if the answer is an integer. If it is, then your number is a perfect square.
If you don't know it's square root offhand and don't have a calculator handy, you could do it by adding up a series of odd numbers, and seeing if they reach a sum that is equal to the original number. If they do, then you have a perfect square. Otherwise, you don't.
For example, is 36 a perfect square? Let's find out:
0 + 1 = 1
1 + 3 = 4
4 + 5 = 9
9 + 7 = 16
16 + 9 = 25
25 + 11 = 36
Since we hit 36 with our addition, we know that 36 is indeed a perfect square.
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How do you check if a number is a perfect square?
For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.
Is 3 a perfect square?
No. to be a perfect square, you have to be able to square root it and get a whole number (NOT a decimal) the square root of 3 is 1.732. (1.7322 = 3) a perfect square is a number like 4 the square root of four is 2 (22 = 4)
Is 114 a square number?
114 is not a perfect square - its square root, rounded to two decimal places, is equal to 10.68. Its closest perfect square integers are 121 (112) and 100 (102).
Is 45 a square number?
45 is not a perfect square number. the closest perfect squares are 49 and 36. But it is the square of the irrational number 6.708204... (an infinite, non-terminating, non-repeating decimal).
What is the perfect square whole number closest to 54362?
Rounded to two decimal places, sqrt(54362) = ±233.16
Is 1 decimal 44 a perfect square?
No.
How can you tell if a trinomial is a perfect square?
A trinomial is perfect square if it can be factored into the form
How do you check if a number is a perfect square?
For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.
Is 3 decimal 6 a perfect square?
No, 3.6 is not a perfect square. A perfect square is defined as a number that has a whole number for a square root. In other words, there's no whole number that, when multiplied by itself, equals 3.6.
Is 3 a perfect square?
No. to be a perfect square, you have to be able to square root it and get a whole number (NOT a decimal) the square root of 3 is 1.732. (1.7322 = 3) a perfect square is a number like 4 the square root of four is 2 (22 = 4)
Is 114 a square number?
114 is not a perfect square - its square root, rounded to two decimal places, is equal to 10.68. Its closest perfect square integers are 121 (112) and 100 (102).
What is the square root of 13421?
115.849 is the square root of 13421 Note: 13421 is not a perfect square and hence the decimal value for square root.
How do you estimate a square root that is not a perfect square yet?
Find the perfect squares that your number lies between. Your square root will lie between their square roots. Whichever it is closer to will indicate the size of the decimal.
Is 61 a square number?
No - 61 is not the perfect square of an integer. Rounded to five decimal places, its square root is equal to 7.81025.
Is 7 a square number?
7 is not the square of a perfect integer - the square root of 7, rounded to two decimal places, is 2.65.
Is 45 a square number?
45 is not a perfect square number. the closest perfect squares are 49 and 36. But it is the square of the irrational number 6.708204... (an infinite, non-terminating, non-repeating decimal).
What do all perfect square roots have in common?
They are all whole numbers (no decimal parts).
