Simplify the mathematical expressions to determine the product or quotient in scientific notation round so the first factor goes to the tenths place. 3.3x103 3.7 2.1x10-3 (8..1x1073) (6.9x105) (4.8x10–3) (3.7 x 102). (4.6 x 10-3) (1.4 x 10-6). (5.7 x 108) (3.1 x .3 x 10-9) (7.3 x 102). (6.1 x 10-7)