The exact value for the density of aluminum is 2.699g/cm3 . working in the science lab at school , joseph finds the density of a piece of aluminum to be 2.75 g/cm3 . what is joseph percent error? (round to the nearest hundredths)

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .