Evaluate (212)\(_3\) - (121)\(_3\) + (222)\(_3\)
A
(313)\(_3\)
B
(1000)\(_3\)
C
(1020)\(_3\)
D
(1222)\(_3\)
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Evaluate (212)\(_3\) - (121)\(_3\) + (222)\(_3\)
(212)\(_3\) + (222)\(_3\) = 1211\(_3\)
→ 1211\(_3\) - 121\(_3\)
= 1020\(_3\)
Source: WAEC / JAMB / NECO Classroom Archive (Record #56726)