Question

Please help me please

Answer 1

1
`(1)/(2)`

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

Option 1

Explanation:

=> 2-1/2+1

=> (4-1)/2

=> 3/2

=> 1 1/2