Round off the numbers and estimate the sum. Also find the actual sum: a)6,149+ 7,837
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Answer:
by 10's-
6149- 6150
+
7837- 7840
=13990. by1000's
6149-. 6000
by100's-. +
6149-. 6100. 7840-. 8000
+. =14000
7837-. 7800
= 13990
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