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write an equation to decribe the sequence below. use n to represent the position of a term in the sequence, where n=1 for the first term
1, -3,9,
write your answer using decimals and integers
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The given sequence is 1, -3, 9.
If we observe carefully, we can see that each term in the sequence is obtained by multiplying the previous term by -3.
Using this pattern, we can write the equation to describe the sequence as:
aâ‚™ = (-3)^(n-1)
Where aâ‚™ represents the nth term in the sequence.
Therefore, the equation for the given sequence is aâ‚™ = (-3)^(n-1).