4.2 x 105 - scientific notation
Using standard algebraic notation, "42 over 1000" in its simplest form is 42/1000. Its reduced value would be 21 / 500 or .042 .
4.2 percent in fraction in simplest form = 42/1000 or 21/500
25/42 is in its simplest form.
42/121 is in its simplest form.
431/1000 is in its simplest form.
42/55 is in its simplest form
37/42 is in its simplest form.
42/235 is in its simplest form.
42 is a whole number and is already in its simplest form.
13/42 is in its simplest form.
327/1000 is in its simplest form.
371/1000 is in its simplest form.