Half life can be used to solve for the amount (A) of a substance left after t time by using the following equation: A=Av0⋅(1/2)^t/h

If the half life of a substance is 2 days, how long will it take for 100 mg of this substance to decay to 12.5 mg?

Select one:
A. 10 days
B. 4 days
C. 8 days
D. 6 days

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

just get this app called photo math it should be able to do those

im not sure of the names, but the answer is 48