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### Grade 7 - Mathematics1.9 Dividing Numbers Written in Scientific Notation

 To Divide using Scientific Notation: Divide decimal numbers with each other. Use exponent rules to "combine" powers of 10. If the answer is not in "correct" scientific notation, change to correct notation. Example: 8.8 x 105 / 2.2 x 102 = (8.8/2.2) x 105-2 (Law of indicies: am/an = am-n) =4.0 x 103 Directions: Divide the following numbers written in scientific notation and choose the correct answer. Also write atleast 5 examples of your own.
 Q 1: 8.4 x 109 / 4.0 x 1052.1 x 1042.1 x 1031.2 x 104 Q 2: 9.9 x 106 / 3.3 x 1053.0 x 1013.0 x 1023.0 x 103 Q 3: 5.5 x 107 / 1.1 x 1035.0 x 1045.0 x 1055.1 x 103 Q 4: 6.8 x 109 / 3.4 x 1082.0 x 1022.0 x 1013.0 x 101 Q 5: 6.4 x 104 / 2.0 x 1013.2 x 1033.2 x 10-32.3 x 103 Q 6: 7.0 x 106 / 3.5 x 1032.0 x 1042.0 x 1032.0 x 102 Q 7: 9.3 x 104 / 3.1 x 1033.0 x 10-13.0 x 1013.0 x 102 Q 8: 4.8 x 108 / 1.2 x 1024.0 x 1074.0 x 1054.0 x 106 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!