Arrange the following prefix expressions by value in increasing order: A. + − * 2 / 8 4 3 2 B. ↑ − * 3 3 * 4 2 5 C. + − ↑ 3 2 ↑ 2 3 / 6 − 4 2 D. * + 3 + 3 ↑ 3 + 1 1 3

1. AA, B, C, D
2. BB, A, C, D
3. CD, C, B, A
4. DC, D, A, B

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Correct answer: B. B, A, C, D

Explanation

A = (2 × 8/4 − 3) + 2 = 3. B = (3×3 − 4×2)⁵ = 1. C = (3² − 2³) + 6/(4 − 2) = 4. D = (3 + (3 + 3^(1+1))) × 3 = 45. Increasing: B, A, C, D.