e-----------------------------------------
B-----------------------------------------
G-----------------------------------------
D----5------------------------------------
A----3--------7--------3--------5---------
E-------------5--------1--------3---------
Power chords are built with the Root and the 5th. (no 3rd)
The 3rd defines the chord as major or minor; without it, you are left with an Perfect Fifth (P5) interval, a.k.a. power chord.
The chords on the tablature are:
C5, A5, F5, G5.
Hope that helps :)
.