Question

Find out the value of n of the following

Answer 1

pls see the attachment

Answer 2

heyy here !
______________________________________________________
$(81)^5/n = 243$

[tex](3^4)^5/n = 243 [/tex]

$3^{20/n} = 3^5$

Now , 
20/n = 5 
n = 20/5 
n = 4 
__________________________________________________