exam
Maths Puzzle
Numerical Ability
what is x in this question work and solve it.
x
_ = 5
12
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exam Other Question
2/5a=6 2/5
the amount of radioactive tracer remaining after t days is given by A=A0e^-0.18t, where A0 is the starting amount at the beginning of the time period. How much could be acquired now to have 40 grams remaining after 3 days?