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Mathematics
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Rounding
Round off to 3 significant digits: 0.00014562
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0.000145
Round off to 3 significant digits: 451.35
451.00
Express in decimal notation: 4.6003 x 10-2
0.046003
Express in scientific notation: 0.000123
1.23 x 10-4
Express in decimal notation: 5.60 x 102
560.
Express in decimal notation: 1.9500 x 103
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