B. Quadrant 2 you can tell because point J is in the upper left quadrant.
Answer:
25.5
Step-by-step explanation:
Answer:
Here am i
Step-by-step explanation:
I can help u with any question
Answer:
C). 0.39 grams
Step-by-step explanation:
First find how many half-lifes are in 3 hours:
3 hours ÷ 20 minutes = 9 half-lifes
Find the total left:
0.5^9*200 ≈ 0.39
You are looking for the circumference. which is C(circumference)=

x r (radius)
the radius is =to half of the diameter.
c=56.55