In how many ways can a supermarket chain select 3 out of 12 possible sites for construction of a new supermarket?

 The total number of ways is 1320.

Step-by-step explanation:  We are given to find the number of ways in which a supermarket chain selects 3 sites out of 12 possible sites for construction of a new supermarket.

Since the supermarket chain has 12 possible options and they are to select 3 out of them.

So, for first site, there are 12 options,

for second site, there are 11 options

and

for third site, there are 10 options.

Therefore, the total number of ways is given by

Thus, the total number of ways is 1320.

answer: you need the equation in the question so i can answer it

step-by-step explanation: