alleryWhy is the second row of long multiplication shifted left?
AIts digit stands for tens
BEach row must be longer
CThe row holds a remainder
DIt is a slip to fix later
Answer & Solution
Correct answer: A. Its digit stands for tens
1. The second digit of the multiplier stands for tens.
2. So its row is worth ten times as much.
3. Shifting left shows that place value.
_Source: Wikipedia, Multiplication algorithm (CC BY-SA 4.0, rev 1379690463), Long multiplication_
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