The answer is the last one; to express very large or small numbers.
We use it so we can show big or very small numbers in an easier way.
this picture has bad quality, please resend with better picture so i can answer all of them
1/4 time 1/4 equals a half...or you can think about it as 25 plus 25 equals 50, (1/2 of a dollar)
You can solve this in 2 easy steps: 1, multiply 44.55 by .17 (44.55 * .17 = 7.57) then adding the number you get to 44.55 (44.55 + 7.57 = 52.12). Your answer is D.