Estimate each of the following sum to the nearest ten:
1. 43+68+54
2. 156 +253 +379
4. 728 +546 +344
5. 168 +432 +686
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Answer:
See below;;
Step-by-step explanation:
1) 43+68+54= 165 in the nearest ten
40+70+50=160
2) 156+253+379=788 in the nearest ten
160+250+380=790
3) 728+546+344=1618 in the nearest ten
730+550+340=1620
4) 168+432+686=1286 in the nearest ten
170+430+690=1290
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