Exponents Question
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Grade 11 Exponents CCSS: HSF-LE.B.5
The volume of a melting ice cube is modeled by [math]V(t) = 125 · (0.5)^(t/15)[/math], where t is in minutes. How long does it take for the ice cube's volume to halve?
- 125 minutes
- 7.5 minutes
- 15 minutes
- 30 minutes
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