Question: Please help me to answer the 2 questions below. I would appreciate it. And explain. 1. A population of protozoa develops with a constant relative

Please help me to answer the 2 questions below. I would appreciate it. And explain.

1. A population of protozoa develops with a constant relative growth rate of 0.6411 per member per day. On day zero the population consists of six members. Find the population size after seven days. (Round your answer to the nearest whole number.)

P(7)=

2. A sample of a radioactive substance decayed to 95.5% of its original amount after a year. (Round your answers to two decimal places.)

(a) What is the half-life of the substance?

(b) How long would it take the sample to decay to 10% of its original amount?

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