Civil Service Exam Reviewer · Basic Operations · hard
Multiply: (6 × 105) × (2 × 104). Express in scientific notation.
- 1.2 × 1010
- 12 × 1020
- 1.2 × 108
- 8 × 109
Answer
A. 1.2 × 1010
Solution
6 × 2 = 12 and 105 × 104 = 109. Normalized: 1.2 × 1010.
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