It is the same as trebles. Start with how many selections there are and then times by the next number in the sequence and times that by the next number. Then divide that number by 1x2x3.
For example 5 selections 5x4x3 =120 / 1x2x3 =6 = 20 trebles in 5 selections. But because it is a reverse forcadt you need to then times that by 2
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Exponential Smoothing Model
Concealment
1. Determine the use of the forecast 2. Select the items to be forecasted 3.Determine the time horizon of the forecasted 4.Select the forecasting model(s) 5.Gather the data needed to make the forecast 6.Make the forecast 7.Validate and implement the results:
forebode, forecast, foretell
no,factorization is the reverse process of multiplication