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Estimate the sum to the nearest tens place

150+121+141+149=

3 answers

15 + 15 = 30
12 + 14 = 16
Total = about 40
Ms. Sue can you explain this. I Don't where the two 15's come from
Please forget my last post. I think aliens temporarily kidnapped my brain!

I didn't complete the problem. (Good heavens, I didn't even add right!) I should have added the zeros back in.

150 + 150 + 120 + 140 = 560
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