\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
In poker, a four-of-a-kind (also known as a square) is a hand where four cards have the same rank, and the fifth card is of a different rank. How many different four-of-a-kind hands are possible in a standard 52-card deck? (Use a
! e \(\pi\) ( ) % AC sin cos tan 7 8 9 / \(\sin^{-1}\) \(\cos^{-1}\) \(\tan^{-1}\) 4 5 6 * \(x^2\) \(\sqrt{\phantom{2}}\) xy 1 2 3 - ln exp log 0 . = +
to compute this.)
hands