Alex made a mistake while using his calculator by dividing a number by 12,345 instead of 12.345. What single operation can he perform to fix this error?

Correct answer marked below

Multiply the incorrect result by 1000

Correct

Multiply the incorrect result by 0.001

Divide the incorrect result by 0.01

Multiply the incorrect result by 10

Divide the incorrect result by 10

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Explanation

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Official Explanation

Official

Let the number Alex intended to divide = x. Intended Operation =

\frac{x }{ 12.345}

. Actual Operation =

\frac{x }{ 12,345}

. Thus, the result Alex obtained is 1000…

Comments

DevanshMay 16, 2024

good question

VMay 15, 2025

Nice question to remember me to use the comma for thousands taking GMAT

BJul 21, 2024

pls explain more?

What this question tests

Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.

Applying the order of operations out of sequence or rounding intermediate values before the final step.