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Question
Difficulty Level:

Easy

MCQ

Melanie began studying a sample of the chemical element einsteinium-253, which naturally loses its mass over time.

The relationship between the elapsed time, t{t}, in days, since Melanie started studying the sample, and the total mass remaining in the sample, M(t){M}({t}), in micrograms, is modeled by the following function: M(t)=169.(0.96)tM(t)=169 .(0.96)^{t}

Complete the following sentence about the daily percent change in the mass of the sample.

Every year, %\% of mass is subtracted from the total mass of the sample.

Select all that apply :

4%4 \%

96%96 \%

100%100 \%

92%92 \%

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