Use the following information to answer question 8 and 9 The half-life of sodium-24 is 13.2 hours. A medical facility buys a 50-mg sample. 8. How much sodium-24 will remain after 22 h? Round your answer to the nearest tenth. [2 mark] 9. How much time will elapse until only 12.5% of the original amount of sodium-24 remains? [2 marks] Use the following information to answer question 10 A viral YouTube video is doubling its views every 40 mins. The number of views, V, present after H hours is given by the formula: V = 24/40 10. Determine how long it takes for the video to get 300,000 views. Express your answers in hours and minutes (Ex. 1.5 hours = Inour and 30 mins) [2 marks]