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9+n×29 + n \times 2 for n=3n = 3

Full solution

Q. 9+n×29 + n \times 2 for n=3n = 3
  1. Plug in value of nn: First, let's plug in the value of nn into the expression.\newlineSo we have 9+3×29 + 3 \times 2.
  2. Perform multiplication: Now, let's do the multiplication part first because of the order of operations (PEMDAS/BODMAS).\newlineThat's 3×23 \times 2 which is 66.
  3. Add the result to 99: Next, we add that result to 99. So it's 9+69 + 6.
  4. Do the final addition: Finally, we do the addition. 9+69 + 6 equals 1515.