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Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity): \[\] The number of air molecules in your classroom.

1 Answer

$1.35 \times 10^{28}V$
Hence (A) is the correct answer.
answered May 30, 2014 by thanvigandhi_1

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