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Algebra Difficulty 4.2 AIME Find the answer South Africa

pp, qq and rr represent the numbers 22, 33, 44 in some order. What is the greatest possible value of pq×rp^q \times r?

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Solution

34×2=81×2=1623^4 \times 2 = 81 \times 2 = 162

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