Answer:
We conclude that:
Step-by-step explanation:
Given
As the expression is given by
To determine
Simplify the expression
The given expression is very easy to simplify. All we need is to subtract 9 from 89 and we will get the required answer.
i.e.
89 - 9
subtract the numbers: 89 - 9 = 90
⇒ 89 - 9 = 80
Therefore, we conclude that:
