Answer: When you divide by 100 you are essentially moving the decimal of the number two places to the left. In undoing this you would have to move the decimal of the number two places to the right.
28.003 would then turn into 2,800.3
Step-by-step explanation:
Unfortunately I cannot draw a chart on here but that is the best I can do.
Draw a number line number it with negative number on the left and postive numbers at the right start at postive 6 now go to the left twice your answer should be 4
Answer:

Step-by-step explanation:

7(4x) = 28x
<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>:</em><em>)</em>
Answer:
50%
Step-by-step explanation:
1- get the difference between the two numbers:
difference = 1.8 - 1.2 = 0.6 mg
2- divide the difference by the original number and then multiply the quotient by 100 to get the percentage
% of increase = (0.6/1.2) * 100 = 50%