Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13
Exponential decay obeys the equation

where t = time, days
For half life, the mass is m = m₀/2.
Therefore

Answer: The half life is 5.33 days
The length I think is 15 and the width I think is 19
Answer:
18 remainder 15
Step-by-step explanation:
Answer: $50
Step-by-step explanation:
Answer:
Step-by-step explanation: