1.

Estimate each sur to the nearest ten:5. (57 +34)6. (43 +78)8. (86 +19)9. (95 + 58)11. (356 + 275)12. (463 +182)​

Answer»

Answer:

5. 90

6. 120

8. 110

9. 150

11. 630

12. 650



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