2*5-89

The calculation \(2 \times 5 - 89\) can be solved step by step:

1. First, multiply \(2\) by \(5\): \(2 \times 5 = 10\)

2. Then, subtract \(89\) from \(10\): \(10 - 89 = -79\)

So, \(2 \times 5 - 89 = -79\).