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What is the 15th square number?
it is 225
How do you explain if the number is a square number?
to find out if the number is a square number when you see a whole number written and on top of it there is a small number written two
Explain how to square the number 7?
To square a number you multiply it by itself. 7 x 7 = 49. or, 72 = 49.
A square number greater than 16?
22
How can you tell by looking at the prime factors of 17640 that the square root of 17640 is not a whole number?
Write the prime factors as powers. In a square number, each prime number appears an even number of times - i.e., an even power. Examples: 4 = 22 (even power, this is a square) 144 = 24 x 32 (all powers are even, this is a square) 12 = 22 x 3 or 22 x 31 (3 has an odd power so it is not a square) (If a number is a perfect square, that is equivalent to saying that its square root is a whole number.) * * * * * In this case there is a particularly fast method. The number ends in 0 so 10 must be a factor of the number. That is to say, 2 and 5 must be prime factors of the number. If it is a square then 22 and 52 must be factors of the number ie 22 x 52 = 100 must be a factor. But if 100 is a factor, the number must end in 00. It does not so it cannot be a square.
Is 22 a perfect square. Explain your answer?
No it is not. 22 is not a perfect square because it is not a product of a rational number multiplied by itself. The closest perfect square would be 25
Is 22 a square number?
no
What is the 15th square number?
it is 225
Is 22 a square number and triangular number?
Neither.
How do you explain if the number is a square number?
to find out if the number is a square number when you see a whole number written and on top of it there is a small number written two
What is the square number of 2?
22 = 4
Can a perfect square be a prime number Explain?
No. A prime number is always odd.
Explain how to square the number 7?
To square a number you multiply it by itself. 7 x 7 = 49. or, 72 = 49.
Does 2 have a square number?
4 is the square of two (22=2x2=4)
Why is 22 not a square number?
A square number is a number that has been produced by multiplying an initial number by itself. This means, if we split the number into its prime factors, we should find duplicates of each prime factor. In the case of 22, it splits up into 2 and 11. There is no partner for the 2 or the 11, and so we can say definitively that 22 is not a square number.
Is 22 a perfect square?
No it is not. 22 is not a perfect square because it is not a product of a rational number multiplied by itself. The closest perfect square would be 25
How many square feet is 11x2?
22 square feet. Multiply the two dimensions - the result is the number of square feet.
