Answer:
49.53
3.9 = 3 + 0.9 (separated by place value)
12.7 x 0.9 = 11.43
12.7 x 3 = 38.1
11.43 + 38.1 = 49.53
(this is the process that happens in stack multiplication of this format:
12.7
x 3.9
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Explanation:
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