The half-life of a substance is found by using the equation A(t) = Age-kt where A(t) is the amount present at time t (years), k is the decay rate, and Ao is the initial amount of the substance present. Find the half-life of the substance. (Round your answer to the nearest year.) A radioactive substance whose decay rate is 0.6% per year Xyr 115

Q: a) How many bacteria were there at the start? b) How many bacteria were there after         (i) 2…

A:

Q: Find the value of the given exponential for the indicated values of the variable. 10t/2 (a) 10/2=…

A: 10t/2   , for t=-2 10-2/2 = 10-1=1/10= 0.110t/2   , for t=-2   10-2/2 = 10-1=1/10= 0.1

Q: The decay constant of Carbon-14 is ?=.00012 An archaeologist finds a piece of wood that contains 1/6…

A: We will solve the following.

Q: The growth G of a population of lower organisms over a day is a function of the population size n at…

A: The objective of the question is to understand the relationship between the growth of a population…

Q: An unknown radioactive element decays into non-radioactive substances. In 100 days the radioactivity…

A: Formula for the radioactive decay is  N=N0e-λt where  N0 is the initial amount N is amount after…

Q: A population grows according to an exponential growth model. The initial population is P = 13, and…

A: The initial population is P0=13 Growth rate is r=0.25

Q: y = a(0.1) %3D Write the original function. = a z a(0.4642)* = a(1 – 0.5358)* %3D :: Evaluate power.…

A:

Q: Company ABC's rate of sales is given by 1461e0.131t million dollars per year, where t is the number…

A:

Q: T/F: The half-life of the exponential function P(t) = et is T = ln(2).

A:

Q: The population of a city is given by the following equation. The growth rate is:

A: The population of a city is given by the following equation , P=500e0,05t From this equation to find…