A police station had to deploy a police officer for an emergency multiple times in the last four evenings. The table below shows the number of emergencies each evening.

$($Round your answers to $3$ decimal places.$)$

$\backslash$table$[[$Weekday$,$Number of calls each day,$\backslash$table$[[$Forecast for tomorrow$],[($calls$)]]],[$Monday$,8,],[$Tuesday$,3,],[$Wednesday$,7,],[$Thursday$,10,]]$

a$.$ Complete the "Forecast for tomorrow" column in the table above. Use an exponential smoothing forecasting approach, with $=0\mathrm{.}4$ and a forecast for Monday of $8.$

$($Round your answer to $3$ decimal places.$)$

b$.$ What would be their forecast for Friday using the same exponential smoothing forecasting approach?