Terbium-160 has a half-life of about 72 days.

after 396 days, about how many miligrams of a 220 mg sample will remain.

a) 5mg
b)12mg
c)40mg
d)194mg

show work or give the equation i am so confused

From three chocolate bars we can make at most five chocolate rabbits and have some leftover. what is the greatest possible number of chocolate rabbits that can be made from sixteen chocolate bars (maybe with some leftover)?

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?