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Evaluate each expression for a=20a=20 and b=4b=4 : \newlineabab

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Q. Evaluate each expression for a=20a=20 and b=4b=4 : \newlineabab
  1. Substitute values into expression: Step 11: Substitute the given values into the expression abab.\newline- Calculation: a=20a = 20, b=4b = 4, so ab=20×4ab = 20 \times 4\newline-
  2. Calculate product: Step 22: Calculate the product of 2020 and 44.\newline- Calculation: 20×4=8020 \times 4 = 80\newline-

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