Answer:
Option 1
Step-by-step explanation:
=> 2-1/2+1
=> (4-1)/2
=> 3/2
=> 1 1/2
1[tex]\frac{1}{2}[/tex]
2^1-2^-1+2^0= 2-1/2+1=3/2
divide 3 by 2 we can convert the fraction number to rational expresion then you get 11/2
