The first one (2-x^3) is the correct one
Answer: 1260
Step-by-step explanation:
The number of permutation of n things in which 'a' things are like , 'b' things are like and so on.. is given by :-

Given : A shipping company devises a messaging consisting of 9 flags hung in a line.
Then, the number of different possible messages constructed from a set of 4 white, 3 red, and 2 blue flags will be :-

Hence, the number of different possible messages constructed from a set of 4 white, 3 red, and 2 blue flags= 1260
The digits that are between numbers 1 and 10 and larger than 7 are: 8, 9, 10
Answer:
The answer is c
Step-by-step explanation:
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