Respuesta :

Answer:

(5 x 10) + (4 x 1) + (3 x 0.1 or 1/10)

Step-by-step explanation:

54 and three tenths is 54.3.

First, for the 50: (5 x 10)

For the 4: (4 x 1)

For the 0.3: (3 x 0.1)