The answer to the expression $1.561 \times 10^{3}-1.80 \times 10^{2}+2.02 \times 10^{4}$ upto the correct…

The answer to the expression $1.561 \times 10^{3}-1.80 \times 10^{2}+2.02 \times 10^{4}$ upto the correct significant digits is
  1. $2.16 \times 10^{4}$
  2. $2.158 \times 10^{4}$
  3. $2.1581 \times 10^{4}$
  4. $21.59 \times 10^{4}$

Solution

The result will carry 2 digits after decimal.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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