Multiply or divide, write your answer in scientific notation. Do not convert to decimal notation at any time, see videos for help. You can use a scientific calculator, be sure to use () when dividing. Your answer should contain the same significant digits as the component with the fewest significant digits. 15. (6.0 x 105)( 2.0 x 102) = = 16. (8.4 x 10-2)/( 2.1 x 10-) = 17. (8.6 x 1010)/( 1.06 x 104) = 18. (5.643 x 1010)(3.09 x 105) = 19. (5.24 x 10-5)/( 8.365 x 10-2) = = 20. (8.68 x 1012)( 8.02 x 10-8) = = 21. (5.49 x 1015)/( 8.75 x 10-2) =