What is 4.4*10^-4 in standard form​

What is the quotient of 42/3 divided by 4 1/5

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels