2- 54:81, 54/81
3- 0:101, 0/101
4- 13.5:43.8, 13.5/43.8
Well, if that is a comma in the number, it is already rounded. If the comma is supposed to be a decimal, the answer would be $57.
99 plus 9 tens?? if so, 189
What do you mean?
It's ok.
here's an example of product..
3 X 5 = 15.
