Divide: dont guess and the awnser is supposed to have x's in it and parentheses

The mathematical expression 9€ t means

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

What are the first 4 terms in the multiplication pattern given by the formula 2×4n