Choose the answer with the correct number of significant digits.1.2 cm × 2.54 cm = cm2

Multiply the measurements: 1.2 × 2.54 = 3.048 cm². For multiplication, the result should have the same number of significant digits as the factor with the fewest; 1.2 has 2 significant digits. Rounding 3.048 to 2 significant digits gives 3.0 cm², choice A.

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