Identify the product \[\text{15}\times \text{31}\times \text{78}\] est – McqOptions

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1.	Identify the product \[\text{15}\times \text{31}\times \text{78}\] estimated by rounding each number to the nearest ten.
A.	24000
B.	48000
C.	42000
D.	21000
Answer» D. 21000

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