Convert from base 10

Question

Change numbers from base 10 to indicated bases:

 

1202 to base 3

Answer 1

base 3

 

729    243    81    27    9    3    1

 

1202/729=1.6, we need one 729

1202-729=473

473/243=1.9, we need one 243

473-243=230

230/81=2.8, we need two 81s

230-162=68

68/27=2.5, we need two 27s

68-54=14

14/9=1.5, we need one 9

14-9=5

now we need one 3 and two 1s

solution is    1122112base3

check:729+243+162+54+9+3+2=1202