Answer:
720 different ways
Step-by-step explanation:
There are 6 ways to pick the first performer
Now there are 5 acts left
There are 5 ways to pick the 2nd performer
and so on
6*5*4*3*2*1
720
100 is (1/10) of a thousand.
Why? 100*10 is a thousand.
63
a
the total cost is 2.50$/m