Question

0.75 = 0.750 are they equal

Answer 1

Yes they are the same. The number on the right just has an extra zero. You can add an infinite amount of zeros to the end of a number without changing it's value.

Answer 2

Yes, 0.75 and 0.750 are equal. Just because there is a zero folowing the numer doesnt mean that they arent equal the number could be 0.750000 and it would still be equal.