Step-by-step explanation:
a1 = 27
r = -9/27 = -⅓
the formula :
an = a1. r^(n-1)
= 27. (-⅓)^(n-1)
= 3³(-3`¹)^(n-1)
= 3³(-3)^(1-n)
The answer is A) 2/3 ^ 4 power
-3 2/3 I just changed the mixed number into a improper fraction
Subtract a from both sides of the equation.
b=−a+14
