Round each number to the nearest ten to estimate. 22.6 + 63.1

80

Step-by-step explanation: You are rounding each number down not the total sum. If you are asking for the sum of each number to be added and then rounded to the nearest ten, you would get 90. But since you are asking for each individual number, you get 20 + 60 which is 80.

c

step-by-step explanation:

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step-by-step explanation: