Question

Somebody pls help with no. 5

Answer 1

a) is -7

Explanation:

8=2048
`(2)^(n-1)`

`(8)/(2048) =(2048^(n-1) )/(2048)`

8/2048=0.00390625 =
`(2)^(n-1)`

`2^(-8)` = 0.00390625

-8-1=-7

and do the rest with the same equation which is tn=a
`r^(n-1)`