Answer:
Option 4 is correct that is
Step-by-step explanation:
We have been given an expression
Equivalent means the simplified form of the expression
We use
Here using the above formula we get
Hence, Option 4 is correct that is .
51
5-1/2 = 4 1/2 4 1/2= 4.5. and 4.5 is not greater then 30, thus this statement is false
65 is the correct option