Upgrade subject to access all content

Simultaneously roll five standard 6-sided dice.

What is the probability that the highest number is $5$?

$\left(\cfrac{5}{6}\right)^5$

$1-\left(\cfrac{5}{6}\right)^5$

$\left(\cfrac{5}{6}\right)^5-\left(\cfrac{4}{6}\right)^5$

$\cfrac{1}{6^5}$

$\cfrac{1}{5^5}$