Answer:
-50
Step-by-step explanation:
First, we must know that ab is the same as:
ab is the same as a multiply b
Now, since a is given as -5, we can substitute a with -5. This is shown below:
substitute ab with -5
Similarly, b is given as 10. So, we can substitute b with 10:
substitute b with 10
With this, we can now evaluate ab as shown below:
ab is equal to -50
