Question

Can the number 6^n ,end with the digit 5,n being a natural number ?give reason

Answer 1

Answer:

no any value of 6power n cant end with 5

Step-by-step explanation:

6 multiplied by 6 gives unit place as 6 always

6 to power any thing gives unit place always as 6

.....

..

Answer 2

Answer:

n0

Step-by-step explanation:

The number is 6  

n

, nϵN

6  

n

 to be end in 5, it should be divisible by 5.

6  

n

=(2∗3)  

n

 

The prime factors of 6  

n

 are 2 and 3.

∴6  

n

 cannot end with the digit 5.