Infinity on High with a 54% decline during a post-Grammy week. The album rose to number three in its third week with 79,000 units sold. In its fourth week, the disc slipped to number four and sold 67,000 copies. "Infinity on High"s sales again fell in its fifth week, moving 58,000 copies and descending to number eight on the chart. In its sixth and last week in the top ten it fell to number nine and sold 43,000 copies. In April 2007, the album was certified Platinum by the Recording Industry Association of America (RIAA), denoting the shipment of one million copies. It
Degree symbol this is considered more acceptable if the standard of temperature is not known, but it is recommended in this case that the full word be used rather than the symbol (e.g., 10 degrees). Use of the degree symbol to refer to temperatures measured in kelvins (symbol: K) was abolished in 1967 by the 13th General Conference on Weights and Measures (CGPM). Therefore, the triple point of water, for instance, is correctly written simply as 273.16 K. The name of the SI unit of temperature is now "kelvin" (note the lower case), and no longer "degrees Kelvin". The degree sign is