How do you solve #3^x=729#?
2 Answers
Multiply each side by
Explanation:
Usually, just log means
Then, with the log law, we can move the exponent x to the left of log3.
Since the x is attached by multiplication, we can divide both sides by log 3.
Plug into your calculator and voila!
I used log since this question was posted in log, but you could also solve by making 729 base 3, then set the exponents equal to each other.
You could also say
Explanation:
We can rewrite
Since the bases are the same, we can equate the exponents. We get
Hope this helps!