Write an equation to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term.
-0.42, 2.1, -10.5, …
Write your answer using decimals and integers.
an = blank (blank)^n-1
-0.42, 2.1, -10.5, …
Write your answer using decimals and integers.
an = blank (blank)^n-1