Right, 7.84 is 7.8 when rounded to the nearest tenth., 12.46 is 12.5 when rounded to the nearest tenth., 9.51 is 10 when rounded to the nearest one., 3.141 is 3.14 when rounded to the nearest hundredth., Wrong, 15.27 is 15.3 when rounded to the nearest one., 6.84 is 6.9 when rounded to the nearest tenth., 20.49 is 21 when rounded to the nearest one., 8.126 is 8.12 when rounded to the nearest hundredth.

U11.2

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