The reciprocal of 0 is 1/0
We know that it's impossible to divide by 0.
The numbers 2/2 and 1/1 .. are their own reciprocals.
The reciprocal of -5 is 1/5.
2. Rational numbers:
2/4, 3/5, 3/7, 4/2, 4/3
-3/3, -3/4, 1/2, 1/4, 1/7.
A rational number is a fraction. Something my Acellus Algebra I teacher told me:
Rational numbers are fractional.
32^2=32*32=1,024
46^2=46*46=2,116
Square root:

48

23
Hope it helps!