Question

find x so that :11^-5 * 11^-11 = 11^8x​

Answer 1

Answer:

11^-5 * 11^-11 = 11^8x

11^ -5 - 11 = 11^8x

11^-16 = 11^8x

Since bases are same, powers can be equated

therefore,

-16 = 8x

x= -16/8

x= -2 Ans.

Hope this helps you ☺️

Answer 2

Answer:

find x so that :11^-5 * 11^-11 = 11^8x