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Ananth B from Yuvabharathi Public School, Coimbatore

Subject :IMO Class : Class 7

what is the value of (-1)27*(-1)53*(-1)4? Note: * stands for multiplication please give the answers with explanations

Ans 1:

Gyanepsaa from HUS International, Chennai

Class : Class 10

-1*27*-1*53*-1*4 = -5724

Sanchay from BIS Dwarka, Dwarka

Class : Class 8

It means (-1)^[27+53+4] {That is a^m*a^n=a^(m+n)} =(-1)^74=1