Answer:

Step-by-step explanation:
The given equation is in exponential form:

To find
we need to write it in logarithmic form:
⇒ 
⇒ 



To prove this, we can substitute the value into the given equation



Therefore, the answer is 
Answer:
240
Step-by-step explanation:
add up the numbers of all the students that were surveyed
get 90
60 of those were rock or hiphop
divide 360 by 90
get 4
multiply 60 by 4
get 240
1st one is true and second one false.