The thickness of a paper is $1.6 \times 10^{-2}$ cm. Total thickness of $250$ such papers stacked is

The thickness of a paper is $1.6 \times 10^{-2}$ cm. Total thickness of $250$ such papers stacked is
  1. $4$ cm
  2. $40$ cm
  3. $0.4$ cm
  4. $400$ cm

Solution

$1.6 \times 10^{-2} \times 250 = 400 \times 10^{-2} = 4$ cm.

Asked in: NSO

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