10+10 = 2 x 11 is a "true" statement.
(In reply to re: Base 0
by Steve Herman)
a^0 is 1 for all a , except a=0.
The reason for this definition is to g
comply with the formula a^m / a^n = a^(m-n) .
when m=n a^m / a^m = a^(m-m) =a^0
but a^m / a^m =1 for any a , safe a=0 . 0/0 is undefined.
NB What about the puzzle ? It is in the trick section , not math!!