In order to be certain that you can cross multiply expressions and use scientific notation on your calculator, calculate the value of x in the expression given in the graphics (located with the course lecture notes).
A. 4.72 x 10^7
B. 4.50 x 10^16
C. 0.0479
D. 1.03 x 10^-9
E. 9.69 x 11^8