Question

When reflected in a horizontal line bmw becomes bwm how many 3 letter word can formed that reamins unchanged repetition allowed​

Answer 1

Answer:

Step-by-step explanation:

These are the letters that you can flip vertically without changing them: XCBKHDOIE. There's 9 of them, so the words of a given length n are 9n. So if n = 3, then the answer would be 729