Write all possible two-digit numbers that can be formed by using the digit $3, 7 a n d 9$ . Repetition of digits is allowed.

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Solution

All possible two-digit numbers when repetition of digits is allowed:
$37, 39, 33, 73, 77, 79, 93, 97, 99$

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Write all possible two-digit numbers that can be formed by using the digit 3,7and9. Repetition of digits is allowed.

All possible two-digit numbers when repetition of digits is allowed:37,39,33,73,77,79,93,97,99

Write all possible two-digit numbers that can be formed by using the digit $3, 7 a n d 9$ . Repetition of digits is allowed.

All possible two-digit numbers when repetition of digits is allowed:
$37, 39, 33, 73, 77, 79, 93, 97, 99$