3. Estimate
each sum ito the nearest
ten:
(1.) (16+25)
(11.) (35 +172)
(17.) (162+72)
(in (195+162)
(112+ 216)
(11.) (67 +170
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Answer:
16 + 25 is equal to 41 therefore 40
35 + 172 is equal to 207 therefore 210
162 + 72 is equal to 234 therefore 230
195 + 162 is equal to 357 therefore 360
112 + 216 is is equal to 328 therefor330
67 + 170 is is equal to 237 therefore 240
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