Answer:
.............................
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
Answer:
86
X.06
_____
516
+ 0000
_________
05.16
Step-by-step explanation:
See the photo attached. The boxed answer is the corrected answer
Answer: 3/2 s-6
hope i helped
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