Seudónimo
Seudónimo
29-08-2016
Mathematics
contestada
estimate the sum of 487 and 310
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xxeitharredstar
xxeitharredstar
29-08-2016
500+300=800
is the answer
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Zinethar
Zinethar
29-08-2016
487 is almost 500, so we will approximate 487 as 500.
310 is just over 300, so we will approximate 310 as 300.
300+500=800 (estimation)
310+487=797 (actual)
Answer Link
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