Evaluate the expression: ab when a=-5 and b=10


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Question
Evaluate ab when a=-5 and b=10.


Answer
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 equals to -50
You can learn more about evaluating expression here.




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