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A person going to a party was asked to bring 4 different bags of chips. Going to the store, she finds 20 varieties.
How many different selections can she make?
How many different selections can she make?
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Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity