7*4^10/9*5^2/9

Interpret as (7 * 4^10 * 5^2) / (9 * 9) = (7 * 4^10 * 25) / 81.

Compute:

• 4^10 = 1,048,576
• 1,048,576 * 25 = 26,214,400
• 26,214,400 * 7 = 183,500,800

So the exact value is 183,500,800 / 81, which is irreducible. Decimal ≈ 2,265,441.9753.