If 70!10 = -7, 70!5 = -14 and 40!4 = -10, then find the value of 20!2 – McqOptions

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1.	If 70!10 = -7, 70!5 = -14 and 40!4 = -10, then find the value of 20!2 = ?
A.	30
B.	-10
C.	12
D.	-24
Answer» C. 12

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