Radioactive isotope #1
has been kept for 12.5 years. Originally, there were 20 grams and now there are 19.808 grams.
What is the half-life?
When will there be 1 gram left?
Round rate to 8 decimals.

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Which statements regarding the diagram are true? check all that apply.

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)