Practice

How many ways can you place 20 pupils in a row when starting on practice?

Result

n =  2.4329020081766E+18

Solution:

n=20!=2.4329020081766⋅10{18}=2.4329020081766⋅1018n=20!=2.4329020081766\cdot 10^\{ 18 \}=2.4329020081766\cdot 10^{ 18 }

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