286 is the sum of the series below. You can plug this in or use long addition.
Either that or you make an average and that's your answer.
Answer: -14k - 14
Step-by-step explanation:
This sequence is decreasing by 3 each time. =)
Answer:
15/16 gram
Step-by-step explanation:
40 days represents 40/8 = 5 half-lives. That is, the quantity remaining is (1/2)^5 = 1/32 of the original amount, so is ...
(30 g)/32 = 15/16 g
