A sample of a radioactive isotope had an initial mass of 620 mg in the year 2003 and decays exponentially over time. A
measurement in the year 2005 found that the sample's mass
had decayed to 390 mg. What would be the expected mass of
the sample in the year 2010, to the nearest whole number?

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Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28

Pleasse me i need an answer. give me the correct answer. answer if you know it ! the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.