The sequence is a geometric sequence, because there is no common difference between the 4 terms. We would multiply by 
to get to the next term, therefore proving it to be a geometric sequence.
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Answer:
Step-by-step explanation:
When reducing a number to its lowest term you use the GCF of the denominator and numerator then divide using this number. :
÷
=
The gcf of 75 and 225 is 75 so we divide both the numerator and denominator by 75.
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Answer:
Step-by-step explanation:
Since we see that 3/7 is multiplied by itself three times, we can use exponents as a shorter way to write this. The expontent tells us how many times the base number, 3/7, is multiplied by itself.
=
We then multiply by -1 to (3/7)^3 to get the exact answer.