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Evaluate the expression for r=5r = 5.\newline2r=2r = _____

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Full solution

Q. Evaluate the expression for r=5r = 5.\newline2r=2r = _____
  1. Substitute Value for rr: We are given the value of rr as 55. We need to substitute this value into the expression 2r2r.\newlineSubstitute 55 for rr in 2r2r.\newline2r=2×52r = 2 \times 5
  2. Simplify Expression: Now that we have substituted the value, we can simplify the expression 2×52 \times 5. Perform the multiplication to find the value of 2r2r. 2×5=102 \times 5 = 10

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