SOLUTION: How Do Solve This Problem? 10(0.7-0.9)

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Question 219075: How Do Solve This Problem?
10(0.7-0.9)
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
10(0.7-0.9)=10(-0.2)=-2

Answer is -2