Write 0.0000000642 in scientific notation.

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)

Given that abcd is a rhombus, what is the value of x?

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?