There are infinitely many of them. They include square root of (4.41) square root of (4.42) square root of (4.43) square root of (4.44) square root of (4.45) square root of (5.3) square root of (5.762) square root of (6) square root of (6.1) square root of (6.2)
square root of 20 = square root of 4 * square root of 5. square root of 4 = 2, so your answer is 2 square root of 5.
A principal square root is any square root that's answer is positive, and a perfect square root is a square root that's answer is an integer.
2456 = 2 x 2 x 2 x 307
Square root (24) - square root (6) = 2.44948974
I think it's 2456:1 since 2456 is out of 1
2456
It is 2456:1
2456 = 2.456 × 10³
2456 + 30000000 = 30002456
2456 pounds
The square root of the square root of 2
The 8th root
square root of (2 ) square root of (3 ) square root of (5 ) square root of (6 ) square root of (7 ) square root of (8 ) square root of (9 ) square root of (10 ) " e " " pi "
There are infinitely many of them. They include square root of (4.41) square root of (4.42) square root of (4.43) square root of (4.44) square root of (4.45) square root of (5.3) square root of (5.762) square root of (6) square root of (6.1) square root of (6.2)
It's not a square if it has no root. If a number is a square then, by definition, it MUST have a square root. If it did not it would not be a square.
In today's terms: 2456 = MMCDLVI in Roman numerals