0,8•(-0,3)

To calculate \(0.8 \times (-0.3)\), you can follow these steps:

1. Multiply the absolute values: \(0.8 \times 0.3 = 0.24\).

2. Since one of the numbers is negative, the result will also be negative: \(-0.24\).

So, \(0.8 \times (-0.3) = -0.24\).