Answer: -7744.
Step-by-step explanation: ...
1/10 because one girl out of ten students wears glasses
Answer:

Step-by-step explanation:
We want to find

This can be rewritten as;


Recall that; 

We evaluate now to obtain;

Answer:
-85
Explanation:
Given the mathematical expression:

First, we recall the product of signs.

So, first, we open the bracket:

We then simplify:

The result is -85.