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Mathematics 12 Online
OpenStudy (anonymous):

Okay, last one:p Barry is trying round √658 to the nearest tenth. This is his work: 25^2 = 625 ; 26^2 = 676 25.6^2 = 655.36 25.65^2 = 657.9225 25.66^2 = 658.4356 Barry chose 25.65. What did Barry do wrong?

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