Read through the student work sample and locate the mathematical error. 1.25 x 0.4 = 5.00, The student multiplied the digits incorrectly. 5 x 4 is not 20., The student forgot to line up the decimal points before multiplying., The student counted decimal places from left to right instead of right to left., The student counted three decimal places in the factors but only two in the final product, making it 10 times too large.

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