Mathematics, 01.11.2019 08:31 trinidydavis

Suppose a laboratory has a 26 g sample of polonium-210. the half-life of polonium-210 is about 138 days. how many half-lives of polonium-210 occur in 276 days? how much polonium is in the sample 276 days later?

2; 6.5 g

3; 3.25 g

2; 1,794 g

2; 13 g

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, SmokeyRN

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Answers: 1

continue

Mathematics, 21.06.2019 15:30, orlando19882000

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Answers: 1

continue

Mathematics, 21.06.2019 17:00, nisazaheer

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Answers: 1

continue

Mathematics, 21.06.2019 18:10, normahernandez977

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

Answers: 1

continue

You know the right answer?

Suppose a laboratory has a 26 g sample of polonium-210. the half-life of polonium-210 is about 138 d...