Plz , question is provided. i need the answers desperately asap

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Use the graph of the sine function y=2sinθ shown below

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.