Question

Show that 3powern multiple 4powerm cannot end with the digit 0 or 5 for any natural number n and m

Answer 1

Answer:

3^n * 4^n = 12^n

now 12^n = 2^n * 2^n * 3^n

but for ending with 5 or 0 we must have 5 as factor therefore it is impossible

Step-by-step explanation: