Mathematics
Write all possible 2-digit numbers formed by the digits 3, 7 and 9, when repetition of digits is not allowed.
Related Questions
Write the largest 8-digit number.
Write the smallest 8-digit number.
Write all possible 3-digit numbers that can be formed by the digits 1, 3 and 7, using each digit only once in each number.
Write all possible 3-digit numbers that can be formed by the digits 9, 2 and 0, using each digit only once in each number.