N squared would be used to find the square root of a number or numbers. In order to find the number of three digit numbers such that the sum of the square results of any two digits are equal to the third digit the use of the formula (HOE)squared=Hsquared*10000+2HE*100+Esquared is needed.
21 and 20
A two digit number whose two digits added together equal 42 and multiplied together equal 82
55 52+52 = 50
Only if the final digit, after the decimal point, is zero.
The number 64 is equal to Â±8 squared and 4 cubed.
The number is 36