Suspect you mean
2^(2x+3) = 80
that means
(2x+3)log 2 = log 80
(2x+3) = 6.32192
2x = 3.32192
x = 1.6609
solve for x using logarithms round your answer to four decimal places.
a)2^2x+3=80
3 answers
Ok,thanks!
You are welcome.