Respuesta :

Answer:

49.53

Step-by-step explanation:

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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49.53