How many times larger is 4x10^13 than 4x10^6? A) 1x10^6
B) 1x10^7
C) 4x10^6
D) 4x10^7

Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.

Simplify 1 divided by 2/3 x (-3) divided by 1/6 x (-10)

Connor took out a 4-year loan to buy a car at a 4% simple interest rate. if he has to pay $240 in interest, how much principal did he borrow?