It is not reasonable, because if we estimate by rounding each factor and multiplying the result. It would be higher than 53,253
Further explanation
When we estimate a calculation we can rounding each factor. In this case would be:
1,729 rounding to 2000
308 rounding to 300
2000 x 300 = 600,000
which is higher than 53,253. So if we multipy the exact number the result would be higher.
to get the precise result, we can use the area model
[tex]=\boxed {1729 \times308\ }\\ =\boxed{(1000+7000+20+9) \times(300+8)\ }[/tex]
[tex]=\boxed{\(300000+210000+6000+2700+8000+5600+160+72)\ }\\ =\boxed {532532\ }[/tex]
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Keywords: multiplication, standard algorithm, area model, three digits multiplication, additional, estimate, rounding number
