Me math will give

1) 1 millivolt is one of a volt.

2) 1 megagram is 1 grams.

answer with words no numbers
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One) One millivolt is one thousandths of a volt.

Two) One megagram is one million grams.

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)