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3-83.

Follow the Order of Operations (use circling the terms if it is helpful) to simplify the following expressions:  

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    If you need help with simplifying expressions, refer to earlier problems on the Order of Operations. Try working it out on your own before checking the answer.

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    Refer to part (a) if you are having trouble getting started. Remember to divide and multiply before adding or subtracting!

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    This problem is similar to the previous two. Pay extra attention to parentheses!

    Sophia thinks that the answer is , because multiplication should come before addition.
    Do you agree with her? Is there any reason that you might need to add first in this problem?

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    This problem is similar to the previous three. Be careful to follow the Order of Operations as you calculate.