What is 62 multiplied by 87?
A5,344
B4,394
C5,494
D5,394
Answer & Solution
Correct answer: D. 5,394
1. Multiply 62 by the ones digit of 87: 62 x 7 = 434.
2. Multiply 62 by the tens digit of 87: 62 x 8 = 496, then place a zero as a placeholder, giving 4,960.
3. Add the two partial products: 434 + 4,960.
4. 434 + 4,960 = 5,394.
5. 5,344 and 5,494 come from small errors carrying between the partial products, and 4,394 comes from misplacing the placeholder zero in the second partial product.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 1 "Whole Numbers", section 1.4 Multiply Whole Numbers_
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