M is going to be 24. hope this helps
To calculate the remaining caffeine, we use the radioactive decay formula which is expressed as An = Aoe^-kt where An is the amount left after t time, Ao is the initial amount and k is a constant we can calculate from the half-life information. We do as follows:
at half-life,
ln 1/2 = -k(6)
k = 0.12/hr
An = 80e^-0.12(14)
An = 15.87 mg
Answer:
i need help
Step-by-step explanation:
The base is the number that the exponent is attached to. So ten squared, the base is ten.
37 is 26%(rounded up to the nearest percent) of 144
