Question

write the sample space s and the number of sample points n(s) the two digit no. formed using digits 7,0,1,4​

Answer 1

Answer:

The unit place can filled by any of the digit 7,0,1,4 in 4 ways.

The tens place can be filled by any of the digit 7,1,4 in 3 ways.

So total two digit numbers are 4 × 3 = 12