8! × 9!Goodluck prendd By Admin ReiPosted on December 5, 2022 8! × 9!Goodluck prendd 8! × 9! = (8×7×6×5×4×3×2×1) × (9×8×7×6×5×4×3×2×1) = 40.320 × 362.880 = 14.631.321.600