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### Grade 7 - Mathematics1.5 Scientific Notation for Decimal Numbers

 Standard Number Scientific Notation 1.2 1.2 x 100 5.7 5.7 x 100 82.1 8.21 x 101 90.5 9.05 x 101 123.1 1.231 x 102 745.9 7.459 x 102 1234.2 1.2342 x 103 12345.2 1.23452 x 104 123456.2 1.234562 x 105 12345678.9 1.23456789 x 107
 Standard Number Scientific Notation 0.9 9.0 x 10-1 0.77 7.7 x 10-1 0.102 1.02 x 10-1 0.012 1.2 x 10-2 0.0012 1.2 x 10-3 0.0001 1.0 x 10-4 0.00007 7.0 x 10-5 0.0000345 3.45 x 10-5 0.000009 9.0 x 10-6 0.00000034 3.4 x 10-7

Directions: Choose the scientific notation for the decimal number. Also write atleast 5 examples of your own.
 Q 1: 0.0222.2 x 10-22.2 x 1022.2 x 10-3 Q 2: 0.0000077.0 x 10-67.0 x 10-57.0 x 106 Q 3: 0.11.0 x 10-21.0 x 10-11.0 x 101 Q 4: 0.0012000451.200045 x 1031.200045 x 10-31.200045 x 10-4 Q 5: 854.385.3 x 1028.543 x 1028.543 x 103 Q 6: 63.4 6.34 x 10163. x 1016.34 x 102 Q 7: 0.4054.05 x 10-24.05 x 10-14.05 x 101 Q 8: 12345678.91.23456789 x 107123.56789 x 1071.23456789 x 106 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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