Name ______________________________ math/precalc/questb/pcexp11.htm   © '02, A2
Write brief notes & show the math required, for these different physical or real world situations involving an exponential or log equation.
a. finding the rate of decay of radioactive material given the half-life.
b. finding the number of years it take for $1000 to grow to $12,000
when compounded continuously.
Choose an interest rate between 5% and 13%.