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Mathematics
Mathematics
Problem
If set
A
A
A
has
4
4
4
elements and set
B
B
B
has
5
5
5
elements, find the number of ordered pairs in
A
×
B
A \times B
A
×
B
. a)
40
40
40
b)
9
9
9
c)
20
20
20
d)
25
25
25
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