What's the difference between double and float?

Answer 1

This is usually the case:
Float - 32 bit (7 digits)
Double - 64 bit (15-16 digits)

Answer 2

I thought that a float air maybe it was a floating point was a decimal

Answer 3

or not air

Answer 4

float for maximum 3 decmil like 2.345 and double for same or more 2.65665675