OMTEX CLASSES: If m, n are natural numbers, for what values of m, does 2n x 5m ends in 5?

If m, n are natural numbers, for what values of m, does 2n x 5m ends in 5?

SSLC 10TH STANDARD Tamil Nadu NEW SYLLABUS. 2019 - 2020.

CHAPTER 2: NUMBERS AND SEQUENCES

Exercise: 2.2

Question 2 :

If m, n are natural numbers, for what values of m, does 2ⁿ x 5^m ends in 5?

If m, n are natural numbers, for what values of m, does 2n x 5m ends in 5?

If m, n are natural numbers, for what values of m, does 2ⁿ x 5^m ends in 5?