First get these all in the same form (I'm going to decimals):
√64=8
8.8=8.8
26/3=8.66
8 2/7=8.28
Then its super easy to get it into the order:√64, 8 2/7, 26/3, 26/3
8, 8 2/7, 26/3, 8.8
(You have to change 8 2/7 to 8.28 and 26/3 to 8.66
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