12-10-2018
Mathematics

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Calculate the number of ways in which four paintings can be awarded first, second, third, and fourth prizes at an art competition in which a total of 30 paintings are displayed

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12-10-2018

Answer:

657720 ways

Step-by-step explanation:

This is the number pf permutations of 4 from 30:-

= 30! / (30 - 4)!

= 30! / 26!

= 30*29*28*27

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