Answer :

Let's solve each expression step-by-step:

1. [tex]\(-8 \times (-5)\)[/tex]:
- When multiplying two negative numbers, the result is positive.
- Therefore, [tex]\(-8 \times (-5) = 40\)[/tex].

2. [tex]\(-16 \div 2\)[/tex]:
- Dividing a negative number by a positive number results in a negative number.
- Therefore, [tex]\(-16 \div 2 = -8.0\)[/tex].

So the final results are:
[tex]\[ -8 \times (-5) = 40 \][/tex]
[tex]\[ -16 \div 2 = -8.0 \][/tex]