Mathematics, 12.09.2019 19:30, Scoopaloop

An unknown radioactive element decays into non-radioactive substances. in 30 days the radioactivity of a sample decreases by 12%. when will a sample of 50 mg decay to 10 mg? round your final answer to 1 decimal place.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, Reese7977

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Answers: 3

continue

Mathematics, 21.06.2019 17:30, Vampfox

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Answers: 1

continue

Mathematics, 21.06.2019 19:30, thisusernameistaken2

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Answers: 2

continue

Mathematics, 21.06.2019 21:00, ImmortalEnigmaYT

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Answers: 2

continue

Do you know the correct answer?

An unknown radioactive element decays into non-radioactive substances. in 30 days the radioactivity...