Mole Concept and Some Basic Concepts of ChemistryhardMCQ SINGLE

The correctly reported answer for the addition of , , and is:Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

Question

The correctly reported answer for the addition of $154.21$, $6.142$, and $23$ is:

Answer: D

💡 Solution & Explanation

In addition and subtraction, the final result must be reported with the same number of decimal places as the term with the fewest decimal places. $154.21$ has 2 decimal places, $6.142$ has 3, and $23$ has 0 decimal places. The raw sum is $183.352$. This must be rounded to 0 decimal places, resulting in exactly $183$.

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