An analysis showed a sample to contain 0.00471 grams of lead.How many micrograms is this?
A) 0.471 μg
B) 4.71 × 103 μg
C) 4.71 × 106 μg
D) 4.71 × 10-2 μg
E) 4.71 × 10-6 μg
Correct Answer:
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