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Type: True or False
Category: Exponents
Level: Grade 10
Standards: HSF-LE.A.1, HSF-LE.A.1c
Author: nsharp1
Created: 4 years ago

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Grade 10 Exponents CCSS: HSF-LE.A.1, HSF-LE.A.1c

A 100 g sample of Iodine-131 is left in a secure room. After 1 day, there is 91.7 g of Iodine-131 left. After another day, there is only 84.1 g left. According to these numbers, the amount of Iodine-131 is decreasing approximately at a constant percent per day.
  1. True
  2. False