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Differential equations — Question 81

Original QCE Vault practice · 1 mark

Q81 · Practice questionSimple familiar1 mark

QUESTION 81

A substance has a half-life of 12 hours. The proportion remaining after 30 hours is approximately

(A)

0.1768

(B)

0.2500

(C)

0.3536

(D)

0.5000

ABCD

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