Can y’all help me with this
1 answer:
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Answer:
They earn $256 on the ninth day of school.
Step-by-step explanation:
A geometric sequence(in which each term is the previous term multiplied by the ratio) has the following format:
In which r is the common ratio.
We can also find the nth term as a function of the first term, by the following equation:
In which
In this question:
On the first day, $0.50. So .
Day two $1.00, day three $2.00.
So
Then
How much do students earn on the ninth day of school?
They earn $256 on the ninth day of school.