Question

Please solve these problems ​

Answer 1

Step-by-step explanation:

2^x-5 = 256

2^x-5 = 2^8

= x-5 = 8

= x = 8+5

x =13

[(10)^-1/5]^5/2

(10)^-1/5*5/2

(10)^ - 1/2