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

Explication

0.21 x 0.34 = 0.0714
= 7.14 x 10-2

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