Question

(201)3 is equivalente to: (11)10; (10010)2; (11)16; (23)8

Answer 1

Convert to base 10
2×3² + 0×3¹ + 1×3^0 = 18 + 0 +1 = 19 base 10
so convert 19 to base 8
19 base 10 = 23 base 8
D is your answer