The number of all possible matrices of order 3×3 with each entry 0 or – InterviewSolution

1.	The number of all possible matrices of order 3×3 with each entry 0 or1 is
Answer» 3 matrix, we have TOTAL 9 PLACES to fill.Each place can be filled by either 0 or 1. So 2 ways of filling each placeSo total POSSIBLE ways = 2×2×2×... 9 times = 2^9So number of possible MATRICES = 2^9 = 512

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