The half-life of a certain radioactive substance is 16 years. Suppose that at time there are 26 g of the substance. Then after t years, the number of grams of the substance remaining will be N(t) = 26(1/2)t/16. How many grams of the substance will remain after 72 years?

answer: 0,6

step-by-step explanation:

this would make it the y intercept.

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

hello,

as   long as they add up to 180 its correct.