Calculation OF total no. OF stereoisomers

Calculate the total number of stereoisomers when alkene has trans configuration :

Calculatr the total number of stereoisomers when alkene having trans configuration :

Consider the above chemical reaction. The total number of stereoisomers possible for Product 'P' is __________ .

Total number of stereoisomers of

Total stereoisomers for are:

Determine the total number of stereoisomers.