Multiply 2.7 x 10 -4 by 6.3 x 10 6 and leave your answers in
MATHEMATICS
WAEC 2013
Multiply 2.7 x 10-4 by 6.3 x 106 and leave your answers in standard form
- A. 1.7 x 103
- B. 1.70 x 103
- C. 1.701 x 103
- D. 17.01 x 103
Correct Answer: C. 1.701 x 103
Explanation
2.7 x 10-4 x 6.3 x 106
= 2.7 x 6.3 x 10-4 x 106
= 17.01 x 10-4 + 6
= 17.01 x 102
= 1.701 x 101 x 102
= 1.701 x 101 + 2
= 1.701 x 103
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