4:6(6•98)

1/882

Reason:

• Interpret 4:6(6•98) as 4 ÷ [6(6×98)]
• 6×98 = 588
• 6(6×98) = 6×588 = 3528
• 4 ÷ 3528 = 1/882 ≈ 0.00113

Note: If read strictly left-to-right as 4 ÷ 6 × (6×98), you’d get 392.