Question

2m 5n (m,n€n) end with____________.

Answer 1

Given :  $2^m.5^n$  

To Find :  Ends with ....

Solution:

m & n are Natural numbers { 1 , 2 , 3 ..............................}

$2^m.5^n$

= $2.2^{m-1}.5.5^{n-1}$

= $2.5.2^{m-1}.5^{n-1}$

= $10.2^{m-1}.5^{n-1}$

Any number multiplied by 1 0 end with 0

$2^m.5^n$  ends with 0

2 raised to power any positive integer is always even number

5 raised to power any positive integer always end with 5

any number ending with 5 multiplied by even numbers ends with 0

Learn More:

Can the number 6 to the power n, n is a natural number, end with ...

https://brainly.in/question/17883417

any number ending with '0'must have _and _as its prime factors ...

https://brainly.in/question/15097306