Answer:2.58
Step-by-step explanation:
Answer:
number 2
Step-by-step explanation:
Answer:
this is unsolvable i think
Step-by-step explanation:
General Idea:
The measure of one of the central angles of a regular Polygon (
) can be used using the below formula:

Applying the concept:
The measure of one of the central angles of a regular octagon.
The octagon have 8 sides, using the above formula we get...

Conclusion:
The correct option is <em><u>A) 45 degrees</u></em>
There are 2.5 grams of niacin contained in the bottle.
First you have to find how many milligrams are in the bottle.
So you multiply 125 by 20 since there are 125 tablets and 20 milligrams in each one.
125*20=2500
So there are 2500 milligrams in the bottle. Then you have to convert it into grams. To do that you divide the mass by 1000.
2500/1000=2.5
So there are 2.5 grams in the bottle.