It is estimated that uranium is relatively common in the earth's crust, occurring in amounts of...
It is estimated that uranium is relatively common in the earth's crust, occurring in amounts of 4 g / metric ton. A metric ton is 1000 kg. At this concentration, what mass of uranium is present in 1.6 mg of the earth's crust?
a. 6 micrograms
b. 6 centigrams
c. 6 nanograms
d. 6 milligrams
e. 6 × 10-5 g
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It is estimated that uranium is relatively common in the earth's
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