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What is obtained by dividing 8.406 by 100?

Answer and explanation

Correct answer: 0.08406

The governing place-value rule is that dividing by 100 moves the decimal point two places to the left, because 100 is 10^2. Starting with 8.406, moving one place left gives 0.8406, and moving a second place left gives 0.08406. Therefore, 8.406 ÷ 100 = 0.08406, so option C is correct. The result can be checked by reversing the operation: 0.08406 × 100 = 8.406. Option A moves the decimal in the wrong direction and represents multiplication by 100. Option B corresponds to division by 10, while option D corresponds to division by 1000. The digits remain ordered; only their place values change.

Related tags

Decimal RepresentationDecimal DivisionPlace ValueNumber SystemsMathematicsClass 9 Mcq

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