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Type: Multiple-Choice
Category: Exponents
Level: Grade 10
Standards: HSF-BF.A.1, HSF-BF.A.1a, HSF-LE.B.5
Tags: exp fucntion
Author: tradan
Last Modified: a month ago

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Grade 10 Exponents CCSS: HSF-BF.A.1, HSF-BF.A.1a, HSF-LE.B.5

Iodine- 131 has a half-life of approximately 8 days. Find the amount of Iodine-131 left from a 100-gram sample after 16 days.
  1. 0.0015 g
  2. 25 g
  3. 0.39 g
  4. 32.75 g
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