A yearbook staff has 30 members. In how many different ways can an editor, photographer, designer, and advisor be selected?

657,720

Step-by-step explanation:

If each person can have only one role, we have that:

For the Editor selection we have 30 possible options

for the pothograper we have 29 options, because we already selected one

for the designer we have 28 options

for the advisor we have 27 options

the total number of combinations is the product of the options for each selection;

C = 30*29*28*27 = 657,720

the answer is simply just 6n add the two together as they have an n