Question

Find the value of given expression


`√(99 - ( - 1))`
​

Answer 1

• ± 10

Explanation:

• 
  `√(99 - (-1)) = √(99 + 1) = √(100)` = ± 10

Answer 2

10

Explanation:

Note that when there are two negative signs directly next to each other, you are adding:

`√(99 - (-1)) = √(99 + 1) = √(100)`

Simplify:

`√(100) = √(10 * 10) = 10`

10 is your value for the given expression