An accident in 1986 at the chernobyl nuclear plant in the ukraine released a large amount of plutonium (pu-239) into the atmosphere. the half-life of pu-239 is about 24,110 years. use the function n(t)=n0 e^−kt. find the decay constant.

How do you convert 1.27 to a percentage

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)