we have the coordinates of point P(-3,-3)
The scale factor is 1.82
the rule of the dilation of a point about the origin with scale factor 1.82 is equal to
(x,y) -------> (1.82x, 1.82y)
so
Applying the rule
P (-3,-3) ------> P'(-3*1.82, -3*1.82)
therefore
P'(-5.46,-5.46)