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What is the result of adding (2.5 × 103) + (3.5 × 102)? A. 6.0 × 103 B. 2.85 × 103 C. 6.0 × 105 D. 2.85 × 105
(2.5 × 103) + (3.5 × 102) = 614.5 . A. =618 B. =293.55 C. =630 and D. =299.25. So it would be none of the choices.
Expert answered|sharpies|Points 4037|
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Asked 10/7/2011 8:49:39 AM
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answer is C. 89.45 g/cm3 solution volume=2.45 cm × 3.2 cm × 4.078 cm=31.97 cm3 density= mass / volume =2860 g/ 31.97 cm3 = 89.45 g/cm3
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