Q. Evaluate the expression for w=−1.8 and x=7.8.Write your answer as a decimal or whole number.wx−w= _____
Identify Expression: Identify the expression to be evaluated.The given expression is wx−w. We need to substitute w with −1.8 and x with 7.8 and then perform the operations.
Substitute Values: Substitute the given values into the expression.Substitute w=−1.8 and x=7.8 into the expression wx−w.Expression: (−1.8×7.8)−(−1.8)
Multiply w and x: Multiply w and x.Multiply –1.8 by 7.8 to find wx.–1.8×7.8=–14.04
Subtract w from Product: Subtract w from the product wx.Subtract –1.8 from –14.04 to find wx−w.–14.04−(–1.8)=–14.04+1.8=–12.24
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