80
Step-by-step explanation:
Before you add the 10s you multiply *10(7)* which gives you 70 then u just add the 10.
10+70=80
Pretty sure the answer is 80.
Using order of operations, you would want to multiply 10 and 7 together to get 70. Then you add the 10 and you end up with 80
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step-by-step explanation: