Respuesta :

you can multiply 90 by .3 since 3/10 is .3

then you would get 27
ampgirl11
10 dived by 3 is 3.3 rep. then you multiply by 90 just show your steps divsion and mult. so when represting 3.3 rep. all you do is a bar notation above the first 3 and it explaines its self. i hope i could help
Q&A Education