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Compare the products: which is larger, 0.0203 × 2.92 or 0.0073 × 14.5 × 0.7?

Difficulty: Easy

Correct Answer: 0.0073 × 14.5 × 0.7 is larger

Explanation:

Problem restatement
Evaluate both decimal products and decide which is greater.


Given data

  • LHS = 0.0203 × 2.92
  • RHS = 0.0073 × 14.5 × 0.7

Concept/Approach
Compute each product carefully by splitting into simpler pieces or using place-value reasoning.


Step-by-Step calculation
LHS = 0.0203 × 2.92 = 0.0203 × (3 − 0.08) = 0.0609 − 0.001624 = 0.059276 RHS = 0.0073 × 14.5 × 0.7 = 0.0073 × (10 + 4.5) × 0.7 = (0.073 + 0.03285) × 0.7 = 0.10585 × 0.7 = 0.074095 Comparison: 0.059276 < 0.074095


Verification/Alternative
Even rough bounds show RHS is bigger: 0.0073 × 14.5 ≈ 0.105 → × 0.7 ≈ 0.0735 > 0.059.


Common pitfalls

  • Dropping decimal places when multiplying (especially with three factors on RHS).
  • Comparing by rounding too early; compare to at least three decimal places.

Final Answer
0.0073 × 14.5 × 0.7 is larger

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