Answer:

Step-by-step explanation:
Hello!
Rules for scientific notation format:
- Has to be multiplied to a power of 10
- One factor has to be greater than 1 but less than 10
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There is a multiplication to a power of 10, but the other factor is less than 1.
This is NOT in Scientific Notation.
All the other options have a multiplication operation to a power of 10, and all the other factors are above 1 and less than 10.
A football field is rectangle so each matching side has the same length. Perimeter = adding all sides
A+ny = n
a = n-ny
a = (1-y)n
a/(1-y) = n
n = a/(1-y)
Answer: you could buy 12 magazines
Step-by-step explanation:
each magazine is $2