how do i connect my ac power cord to my mac pro 13 inch

60 watt magsafe adapter
D39611401DKDJ98BX

Apple 60W MagSafe 2 Power Adapter
(MacBook Pro with 13-inch Retina display)

Apple 60W MagSafe 2 Power Adapter (MacBook Pro with 13-inch Retina display)

Product No Longer Available

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