The density of ice cream is 0.65 g/cm3. The density of milk is 1.02 g/cm3. 80 cm3 of ice cream is mixed with 50 cm3 of milk to make a milkshake. What is the density of the milkshake rounded to 1 dp?​

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.