C. what patterns do you notice in the list of fractions 1/5, 1/25, 1/125, 1/625, 1/3125 ?

Each of them has a 1 as the numerator and the denominators all end in 5.

answer: slight chance that it will happen

step-by-step explanation:

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.