Solve the equation for z and approximate the value of z 0.5*e^4z =13

I'm going to write out the work and take a pic. hope this helps you understand if not, feel free to ask me Q's! :)

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.