The volume of one of the great lakes is 3.5 × 103 cubic kilometers. if there are 6.3 × 107 fish in the lake, what is the average number of fish per cubic kilometer?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters