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Vesna [10]
3 years ago
6

A boy has 3 red , 6 yellow and 5 green marbles. In how many ways can the boy arrange the marbles in a line if:All marbles have d

ifferent sizes?
Mathematics
1 answer:
Alenkasestr [34]3 years ago
5 0

Answer: 8.72*10^10

Step-by-step explanation:

Total number of balls = 14

Now,

Make 14 lines.

_ _ _ _ _ _ _ _ _ _ _ _ _ _

In the first position, you can choose any ball from 14 balls. So,

14 _ _ _ _ _ _ _ _ _ _ _ _ _

In the second position, you can choose any ball from 13 balls. This is because you've already kept one ball in first position. So,

14 13 _ _ _ _ _ _ _ _ _ _ _ _

In the third position, you can choose any ball from 12 balls. So,

14 13 12 _ _ _ _ _ _ _ _ _ _ _

Do this until you fill all the place.

14 13 12 11 10 9 8 7 6 5 4 3 2 1

Multiply all of this.

14 *13 *12 *11 *10 *9 *8 *7 *6 *5 *4 *3 *2 *1

= 8.72*10^10

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