three possible answers to this one
11
44
99
25 is the smallest two didgit squared number
64
Hint, but not your answer: You know your answer has to be between 11 and 99. Furthermore, it has to be a square. One, two, and three when squared are still single digit numbers. Four squared is 16, which is not squaring the ones digit. Keep going...
' 100 ' is the square of 10.
The only other single-digit number higher than 5 which is a prime number is 7 - 9 is equal to 3 squared, and is thus not a prime number.
Any two digit nuber from 10-99 can be squared or cubed.
10. Any number can be squared or cubed.
25 is the smallest two didgit squared number
If its squared rott is 50, the number must be 2500, which is not a 2-digit number.
The first squared number that is a multiple of 10 is three digits.
300
64
Hint, but not your answer: You know your answer has to be between 11 and 99. Furthermore, it has to be a square. One, two, and three when squared are still single digit numbers. Four squared is 16, which is not squaring the ones digit. Keep going...
' 100 ' is the square of 10.
The least 2-digit prime number is 11. Thus, 11 squared is 121.
1225 any number that ends in 5, when squared, follows the following rule: the first digit/s multiplied by that digit +1 and put 25 on the end. i.e. 35 squared = 3x4 (12) and 25 on the end (1225) 95 squared = 9025 135 squared = 18225
The number 64 is equal to ±8 squared and 4 cubed.