-2
17
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
-5
Without repeats there are 4 × 3 = 12 possible 2 digit numbers. With repeats there are 4 × 4 = 16 possible 2 digit numbers.
120 5-digit numbers can be made with the numbers 12345.
The first digit can have 5 possible numbers, the second digit can have 4, the third 3, the fourth 2. 5
It is 2.
120 when you want to know something like that you multiply the digits together Ex. 12345-1 times 2 times 3 times 4 times 5=120
Well, darling, the digit in 12345 that has the same place value as the six in 67.89 is the one in the hundreds place. Both the six in 67.89 and the one in 12345 hold the same value of 600. So, there you have it, sweetie.
They are: 12343+2 = 12345
-2
17
There are 45 such numbers.
72. (with the range of two digit numbers being from 10 to 99).
1
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.