Raduim decays according to the function Q(t)=Q_(d)e^(-k) where Q represents the quantity remaining after t years and k=0.00043. How long will it take for 40 grams of radium to decay to 10 grams?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Simply 8x squared + 5(7x squared- x) - 2x =

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %