Operations with Rational Numbers

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Sallie

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21 ÷ 7 + 4 (2)

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11

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99

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4.2 − 0.2 (6) =

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3

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-14.5

Answer explanation

 $-8.2+4.5\cdot-1.4$  
Be sure that you followed order of operations and did the multiplication first.
Was your product negative, since negative times positive is negative?
Finally, when you added, was your sum negative, since negative plus negative is more negative?

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11.5

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2

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-10