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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