a) Suppose that 650 bacteria are present initially in a culture.If the number of bacteria triple every 5 hours, how long is ituntil there are 50,000 bacteria in the culture?
b) The half-life of C14 is 5730 years. If afossilized leaf contains 42% of its normal amount ofC14, how old is the fossil?
c) HOw long does it take for an investment to double in value ifit is invested at 3.6% compounded quarterly?
