Answer:
Step-by-step explanation:
x>-2
Becuase multiply it and divide
The answer is three hundred
Using the combination formula, it is found that there are 84 ways to choose the three tiles.
The order in which the tiles are chosen is not important, hence the <em>combination formula</em> is used to solve this question.
<h3>What is the combination formula?</h3>
is the number of different combinations of x objects from a set of n elements, given by:

In this problem, three tiles are chosen from a set of nine, hence:

There are 84 ways to choose the three tiles.
More can be learned about the combination formula at brainly.com/question/25821700
Answer:
d
Step-by-step explanation:
Prime numbers are numbers that can be divided without a remainder. So 2181 is divisible by 3 and 727 and there is no remainder.