Question #8acfd

1 Answer
Jun 18, 2015

The value of nn is root(5)(10)/55105

Explanation:

When you substitute values for x,a and b you get:
2=10log_10 ((25n)/5)2=10log10(25n5)
2=10log_10 5n2=10log105n
1/5=log_10 5n15=log105n
log_10 (10^(1/5))=log_10 5nlog10(1015)=log105n
10^(1/5)=5n1015=5n
n=10^(1/5)/5n=10155