A sample of an element contains 2 isotopes. The first isotope has a mass of 35.8626 amu and a percent abundance of 50.21 %. If the average atomic mass of the element is 31.0262, what is the mass of the second isotope?

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.