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HELPhelp ASAP)If a substance has a half-life of 45 days, how much of the original substance would be left after 90 days? A.One half (1/2) B.One quarter (1/4) C.One eighth (1/8) D.One tenth (1/10)
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HELPhelp ASAP)If a substance has a half-life of 45 days, how much of the original substance would be left after 90 days?

A.One half (1/2)
B.One quarter (1/4)
C.One eighth (1/8)
D.One tenth (1/10)

User Tabchas
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2 Answers

4 votes
B : One quarter (1/4 )
User Kim Holder
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4.8k points
5 votes

Answer:

B.

Step-by-step explanation:

if it is half life at 45 it is 1/4 at 90

User Imantha
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4.7k points
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