Answer :
no they are equal because the zero is just there to just to be you can add how many zeros you want it will still be 2.9
or equal to it
no they are equal to eachother
after the decimal you can add all the zeros you would like for example you could have 3.80000000000 and it would be = to 3.8
after the decimal you can add all the zeros you would like for example you could have 3.80000000000 and it would be = to 3.8