Question

what is a the pattern in -3,9,-27,81

Answer 1

x, x^2, x^3, x^4,..........................

Answer 2

what does that mean

Answer 3

looks like the geometeri sequence with ratio (r) = 9/-3 = -3
use the general formula :
an = a1 * r^(n-1)
given a1 = -3 and we get r = -3, therefore
an = -3 * (-3)^(n-1)

Answer 4

Thats the pattern it is -3, (-3)^2 , (-3)^3, (-3)^4, ............

Answer 5

pattern is -3