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Mathematics
Fisher Dean
19 November, 18:51
How do you estimate 403,446 + 396,755
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Trevin Hardy
19 November, 19:39
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You round both numbers to 1 significant figure. So you do 400,000 + 400,000 = 800,000
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Killian Phillips
19 November, 19:49
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403446 is around 400000 so you round that up in your head. 396755 is close to 400000 so you round that up in your head to. Then you add them together to get 800000, which you can do in your head.
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