The radius of a cylinder is 7.8 x 10^-4 m. The height of the cylinder is 3.4 x 10^-2 m. What is the volume of the cylinder? Write your answer in scientific notation. (Hint: v= pi r^2h)

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)