Express the product of 0.21 and 0.34 in standard form

  • A 7.14 x 10-3
  • B 7.14 x 10-2
  • C 7.14 x 10-1
  • D 7.14 x 10-4
jamb 2010mathematics

The correct answer is B. 7.14 x 10-2

The product of 0.21 and 0.34 is 0.0714.

To express this number in standard form, we need to move the decimal point two places to the right, which is equivalent to multiplying the number by \(10^2\).

Therefore, 0.0714 in standard form is 7.14 x \(10^{-2}\).

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