If logx y = 100 and log2 x = 10, then the value of y is:

log ₂ x = 10          x = 2¹⁰.

 log_x y = 100

 y = x¹⁰⁰

 y = (2¹⁰)¹⁰⁰     [put value of x]

 y = 2¹⁰⁰⁰.