Question

1
2
15. If 2n-1 + 2 + 1 = 320, then n is equal to
(a) 6
(b) 8
(d) 7
(c) 5​

Answer 1

Answer:

bro there is an error in your question or options. plz Check once

Answer 2

Answer:

N = 159

Step-by-step explanation:

2n - 1 + 2 + 1 = 320

2n -1+2 = 320-1 = 319

2n-1= 319-2 =317

2n= 317 /2 = 159