Question

Please help me please

Answer 1

Answer:

1$\frac{1}{2}$

Step-by-step explanation:

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

Answer 2

Answer:

Option 1

Step-by-step explanation:

=> 2-1/2+1

=> (4-1)/2

=> 3/2

=> 1 1/2