Question

Evaluate: 2^0+ 2^1+2^-1



- 2^-2​

Answer 1

Answer:

7/2 + 4 is equal to 30/4

correct me if I'm wrong

Answer 2

Step-by-step explanation:

2⁰ = 1

2¹ = 2

2^-1 = 1 / 2¹ = 1/2

2^-2 = 1/2² = 1/4

therefore

= 1+2+0.5+0.25

= 3.75