Elhappyranch20 Elhappyranch20

21-09-2020
Mathematics

contestada

To estimate the product of 21 x 78, what is the best way to round the factors? (2 points)
20 x 80
30 x 70
20 x 70
30 x 80

Respuesta :

shaleenparikh1 shaleenparikh1

21-09-2020

I would say 20x80. These are the closest to 21 and 78

Answer Link

24stja47 24stja47

21-09-2020

Answer:

20x80

Step-by-step explanation:

21 is closest to 20 and is rounded down, 80 is closest to 78 and rounded up so the closest and most logical estimate is a: 20x80.

Answer Link

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