Respuesta :

3 x 2.5 = 7.5
7.5 x 1.05 = 7.8750

Note : remember to always line up the decimal points.

Hope this helps
Ver imagen AnimeBrainly
3 x 2.5 x 1.05 = 7.875

7.875 when rounded to the nearest tenth is 7.9

Therefore, the answer would be letter A. 7.9
:)