Question on: WAEC Mathematics - 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
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Correct Option: C
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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