Chapter 1 - Matter: Its Properties and Measurement - Exercises - Units of Measurement - Page 28: 31

3245 ug is the greater mass.

Work Step by Step

3245 ug = 3245 * $10^{-6}$g = $3.245 * 10^{-3}$ g 0.00515 mg = 0.00515 * $10^{-3}$ g = 5.15 * $10^{-6}$g $3.245 * 10^{-3}$ g is bigger than 5.15 * $10^{-6}$g, so 3245 ug is the greater mass.

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