1.

Estimate the following 429 +81​

Answer»

when it is not GIVEN in the question that you have to estimate in nearest ones , tense, HUNDRED etc.see the first digit that is 4 when you estimater you see 2 because when noting is gven in queston clearly so you have to estimate 429= 40081=80 400 +80=480you have to estimate the answer 480=500 you have to estimate the answer if it is given in the question.



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