convert the following base 10 number to the number in the indicated base.

43 to base 4

To convert base 10 to any other base, divide by the new base and keep track of all the remainders.

57 to the base 4:

57/4 = 14 R1
14/4 = 3 R2
3/4 = 0 R3
=> 5710 = 3214