Compound Interest and Half Life
You deposit $2000 in a bank account.  It earns 2%
interest, compounded monthly.  How much much
money will you have in 7 years?
Round to the nearest hundredth
You deposit $3,500 in a bank account.  It earns 1.75%
interest, compounded weekly.  How much much
money will you have in 10 years?
Round to the nearest hundredth
Cesium has a half life of 3 days. You start with a
sample of 500 grams.  How much will be left after
12 days?
Round to the nearest hundredth
grams
You take 600 mg of ibprofen. It has a half-life of 2
hours.  How much is left in your system after 12 hours?
Write out 3 decimal places
mg
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