Solve the problem.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 8 days if it starts out at 32 grams?

A. 4 grams
B.  gram
C. 8 grams
D.  gram

Answer: D

Mathematics

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Arrange in order from smallest to largest.0.072, 0.027, 0.022, 0.077

A. 0.022, 0.077, 0.027, 0.072 B. 0.022, 0.027, 0.072, 0.077 C. 0.077, 0.072, 0.027, 0.022 D. 0.022, 0.072, 0.027, 0.077

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A. 2
B. 3
C. 3
D. 3

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Find the midpoint of the segment with the given endpoints. and 

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B.
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