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.
-5, 10, -20, ...
Write your answer using decimals and integers.
aⁿ = _ ( _ ) ^n-1
-5, 10, -20, ...
Write your answer using decimals and integers.
aⁿ = _ ( _ ) ^n-1