36. The total amount of a certain substance present in a laboratory experiment is given by the formula， where A is the total amount of the substance h hours after an initial amount (A0) of the substance began accumulating. Which of the following expressions gives the number of hours it will take an initial amount of 10 grams of this substance to accumulate to 100 grams?

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

According to the meaning of the question, A0=10, A=100, find the value of h. 100=10*2h/5; that is, 2h/5=10, so h/5=log2(10); so h=5log2(10)