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pdurrant · 03-03-2013, 04:26 AM

The 9 isn't a square root, but a long division: 486 ÷ 54 = 9

But unless there's another 0, it does seem that the 3 only comes to 0.3.

03-03-2013, 04:26 AM	#11004
pdurrant The Grand Mouse 高貴的老鼠 Posts: 74,218 Karma: 317184274 Join Date: Jul 2007 Location: Norfolk, England Device: Kindle Oasis	The 9 isn't a square root, but a long division: 486 ÷ 54 = 9 But unless there's another 0, it does seem that the 3 only comes to 0.3.