2.(55:5)

To simplify the expression \( 2 \times (55:5) \), we first need to compute the division.

1. Calculate \( 55 \div 5 \): \[ 55 \div 5 = 11 \]

2. Now multiply by 2: \[ 2 \times 11 = 22 \]

Therefore, \( 2 \times (55:5) = 22 \).