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Evaluate the expression for z=0.3z = 0.3.\newlineWrite your answer as a decimal or whole number.\newline–2+7z=–2 + 7z = _____

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Q. Evaluate the expression for z=0.3z = 0.3.\newlineWrite your answer as a decimal or whole number.\newline–2+7z=–2 + 7z = _____
  1. Substitute zz in expression: Substitute the value of zz into the expression.\newlineExpression: –2+7z–2 + 7z\newlineSubstitute 0.30.3 for zz in –2+7z–2 + 7z.\newlineExpression after substitution: –2+7(0.3)–2 + 7(0.3)
  2. Multiply 77 by 0.30.3: Multiply 77 by 0.30.3.\newlineCalculation: 7×0.3=2.17 \times 0.3 = 2.1
  3. Add to −2-2: Add the result of the multiplication to −2-2.\newlineCalculation: –2+2.1=0.1–2 + 2.1 = 0.1

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