1. A population of protozoa develops with a constant relative growth rate of 0.5193 per member per day. On day zero the population consists of 3 members. Find the population size after 6 days. Find the answer correct to the nearest whole number. Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.P=23 2.P=5 3.P=58 4.none of those 5.P=68 6.P=1,210

2. The table gives estimates of the world population, in millions, from 1750 to 2000: Year Population Year Population 1750 640 1900 1,750 1800 1,090 1950 2,380 1850 1,400 2000 6,100 Use the exponential model and the population figures for 1750 and 1800 to predict the world population in 1,900. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.P = 6,699 2.none of those 3.P = 3,162 4.P = 48,660,461,424,382,600,000 5.P = 1,422 6.P = 392,236,391,057

3. After 3 days a sample of radon-222 decayed to 58% of its original amount. How long would it take the sample to decay to 42% of its original amount? Select the correct answer. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.t = 3.19 days 2.none of those 3.t = 20.36 days 4.t = 1.59 days 5.t = 4.78 days 6.t = 8.60 days

4. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

5. If $350 is borrowed at 28% interest, find the amount due at the end of 5 years if the interest is compounded continuously. Please round the answer to the nearest hundredth. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.$1,419.32 2.$1,302.65 3.none of those 4.$1,769.32 5.$404.06 6.$725.79