AM-1568
Exponential and logarithmic equations
A Math · Secondary 4 · Medium · Exponential and logarithmic equations
A quantity decreases according to , where is a constant and is in hours.
Given that when , find the value of correct to 3 significant figures.
Given that when , find the value of correct to 3 significant figures.
- 0.128
- 0.064
- 0.255
- 0.320
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