What is the number of all possible `2xx3` matrices with entries 0 or 1 ?

What is the number of all possible matrices of order 3xx3 with entry 0 or 1?

Find the number of all possible matrices of order 2xx2 with entries 0,1 or 2.

Find the number of all possible matrices of order 2xx2 , with which each entry as 0 or 1

If S={1,2,3} then what is the number of one - one and onto functions from S to itself ?

What is the number of significant digits in 1.00xx10^6 ?

If A = {0,1,3} , What is the number of relation of A ?

The least number that is divisible by all the numbers from 1 to 3 is

What is the sum of the diagonal elements of the following square matrix? [(1, 0, 1),(0, 1,2),(3, 1,-2)] .

Find the sum of all two digit natural numbers which when divided by 3 yield 1 as remainder.