anikasears anikasears

01-12-2019
Mathematics

contestada

Find the 7th term in the
sequence
1, -3, 9, -27,...

Respuesta :

spark10 spark10

01-12-2019

Answer:

729

Step-by-step explanation:

to get the next term, the sequence multiples the previous number by -3

1 * -3 = -3

-3 * -3 = 9

and so on.

To get the 7th term:

-27 * -3 = 81 (5th term)

81 * -3 = -243 (6th)

-243 * -3 = 729 (7th)

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