Respuesta :

ethanmitchell44
multiplication....................... 
53 = (10 x 5) + 3

7 x 53 = (7 x 5 x 10) + (7 x 3)

7 x 5 x 10 = 35 x 10 = 350
7 x 3 = 21

350 + 21 = 371