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JAMB - Mathematics (2010 - No. 3)

Express the product of 0.21 and 0.34 in standard form
7.14 x 10-3
7.14 x 10-2
7.14 x 10-1
7.14 x 10-4

解释

0.21 x 0.34 = 0.0714
= 7.14 x 10-2

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