give a rough estimate by rounding off to the nearest hundreds and rounding off to the nearest tens..
a) 67+325
b)564+375
c) 8734- 7466
d) 9336-6352
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Answer:
a) 70 + 300 = 370
b) 600+ 400 = 1000
c)8700 - 7500 = 1200
d)9300 - 6400 = 2900
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