If m, n are natural numbers, for waht values of m, does 2n× 5m end in 5?

If m, n are natural numbers, for waht values of m, does $2^{n} \times 5^{m}$ end in 5?

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.