16 is an even number from 10 to 20, and its square roots are -4 and +4.
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10 is the only square root of 100
yes. a square has roots that are identical. ie. 9 is made of 3 and 3, 100 is made of 10 and 10.
The square roots of 100 are +10 and -10.
Any integer ending in 0, 2, 4, 6, or 8 is an even number, so yes, 100 is even. Any number that is the product of two of the same integers is a square number. Since 10 X 10 = 100, 100 is a square number.
10 = 2*5 (prime decomposition)So for a power of 10 to be a square means that the powers its factors must be even. A power of 10 is a square if it contains an even number of factors of 2 and 5. Since 503 is an odd number, 10^503 has an odd number of powers of 2 and 5, so it can't be the square of an integer.