Express number
1 by
two distinct digits in as many ways as possible, using
no mathematical signs.
(In reply to
Exponents by Math Man)
Not so fast, Math Man.
0^0 and 1^1 do not use distinct digits.
More seriously, 0^0 is undefined.
lim x->0 of x^0 does equal 1,
but
lim x->0 of 0^x equals 0