3456 instead of 3465.is this a transcription error?

Yes, this is a transcription error.

It is possible that the number "3456" was a transcription error instead of "3465." To determine if it was indeed a transcription error, you can compare the digits in the two numbers and see if they can be easily interchanged. Here is a step-by-step analysis:

1. Compare the units place: In the original number "3465," the units place digit is 5. In the transcribed number "3456," the units place digit is 6. These digits do not match, indicating a potential transposition error.
2. Compare the tens place: In the original number "3465," the tens place digit is 6, and in the transcribed number "3456," the tens place digit is 5. These digits also do not match, further supporting the possibility of a transcription error.
3. Compare the hundreds place: In both the original number "3465" and the transcribed number "3456," the hundreds place digit is 4. So, there is no difference in this position.
4. Compare the thousands place: In both numbers, the thousands place digit is 3. Therefore, there is no difference in this position as well.

Based on this analysis, it does seem likely that "3456" is a transcription error when compared to the original number "3465" since the digits in the units and tens places are different.