Complete the recursive formula of the geometric sequence -0.3\,,\,0.9\,,-2.7\,,\,8.1,...−0.3 ,0.9,−2.7,8.1,...minus, 0, point, 3, comma, 0, point, 9, comma, minus, 2, point, 7, comma, 8, point, 1, comma, point, point, point. b(1)=b(1)=b, left parenthesis, 1, right parenthesis, equals b(n)=b(n-1)\cdotb(n)=b(n−1)⋅b, left parenthesis, n, right parenthesis, equals, b, left parenthesis, n, minus, 1, right parenthesis, dot