Answer:
the first one
Step-by-step explanation:
it is the only side that is needed. It is also going in the same order
Answer:
5.714 (rounded to the nearest thousandth)
Step-by-step explanation:
Answer:
its c d and e they're all greater than 5
Answer:
just add a zero
Step-by-step explanation:
because if you do all the work it's just a waste of time when you could get the same answer by just adding a zero.
Answer:
7 hours
Step-by-step explanation:
Since, the final amount of caffeine formula would be,

Where,
P = Initial value,
r = rate per period,
t = number of periods,
Here, r = 10% = 0.10, t = h, A = 


Taking log both sides,



Hence, after 7 hours the amount of caffeine in a body to reduce by half.