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Which of the following would be a reasonable estimate for the weight of a pencil?

1 × 10-20 lb
1 × 10-2 lb
1 × 102 lb
1 × 1020 lb

User Ccyrille
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1 Answer

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The answer would be 1x 10-2 lb because it is a reasonable weight for a pencil.
User Ayman Elshehawy
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