Originally Posted by kael03
No they aren't. In notation with variables, the ONLY time you ever put the number after the variable is when the number is an exponent. Should kluang have put a "^" between a and 2 to make this clear? Yes. But those of us with basic comprehension of math understood the exponent.
See this, Animefan? This is why some people use the juxtaposition for exponential, because it also works for it as much as it works for multiplication. And that is why appropriate notation is always valuable.