Answer:
(64799/1296) = 49.999
Explanation:
If I understand this correctly...
10 × 5 - 6² ⁺ ⁻⁸
(10 × 5) - 6² ⁻ ⁸
(50) - (6⁻⁶)
50 - (1/46656)
(2332799/46656) = 49.999
or
10 × 5 - 6² ⁺ ⁻⁸
(10 × 5 - 6)² ⁻⁸
(50 - 6)⁻⁶
(44)⁻⁶
(1/7256313856)
I hope this helps!