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Multiplication of Numbers 

Units of Measure

Phil B. Fontanarosa

and Stacy Christiansen

Multiplication of numbers should be indicated by the multiplication sign (×) and may be used to express area (eg, a 15 × 35-cm2 burn), volume (eg, a 5.2 × 3.7 × 6.9-m3 cube), matrixes (eg, 2 × 2 table), magnification (×30 000), or scientific notation (eg, 3.6 × 109/L).

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