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OpenStudy (anonymous):
A hydrogen atom has a mass of 1.67kg. Find the mass of 71 x10^3 hydrogen atoms. Express the result in scientific notation
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OpenStudy (anonymous):
hydrogen atom = 1.67 kg????? dont think so
OpenStudy (anonymous):
nevertheless its 1.67 * 71 * 10^3 mass = 118.57 * 10^3 = 1.1857 x 10^5
OpenStudy (anonymous):
note scientific notation = n.nnn.. x 10^n
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