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You are given the 4 x 4 grid below.

 

(a) Find the number of ways of placing 8 counters in the squares (at most one counter per square), so that each row contains exactly two counters.

 

(b) Find the number of ways of placing 12 counters in the squares (at most one counter per square), so that each column contains exactly three counters.

 Apr 5, 2023
 #1
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idk

something difeernt
 Apr 5, 2023
 #2
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So, what do yall thing of Ohio, its actually a great place because all the trees.
 Apr 5, 2023

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