Answer: The Answer is 5 1/8.
Step-by-step explanation:
F=ar^t if the half-life is 96 years...
.5=r^96
ln(.5)=96lnr
ln(.5)/96=lnr
r=e^((ln.5)/96)
f=800e^(336(ln.5)/96)
f=70.71
So about 71mg will remain after 336 years.
Answer:
I'm sorry but I have no clue. Actually I think it's C.
Step-by-step explanation:
Answer:
discount= $94.5
Proceeds=$2605.5
Step-by-step explanation:
amount Dawin has to pay= $2700
in 6 months time
at a discount rate of 7%
here future value = $2700
D= discount before m months is given by

m= 6 months, r= 7% and FV= 2700
putting values

solving we get
D= $94.5
now present value = future value - discount
=2700-94.5= $ 2605.5
here PV(present valve )= Proceeds= $2605.5