⚠ 1/2 (9)^{-1/2} is read as (1/2)*(9)^{-1/2}: use parentheses around the denominator to include the following factor in it‖(1/2)*(9)^{-1/2} is read as (1/2)*(9)^(-1/2) Let's reduce: 12×9-12 ℹ12×9-12 = 9-122‖9-12 = 1912 19122 132 13×12 ▶Simplified form: 16 The numeric value of: 16 is: ▷ ≈ 0.1667