Question 1
Number BasesSubtract 164189 from 186309.
- A.11219
- B.21129
- C.21139
- D.22119
Show the answer and explanation
Answer: D (22119)
Explanation
In base ten, 186309 = 12906 and 164189 = 11276, so the difference is 1630. 1630 = 2 × 729 + 2 × 81 + 1 × 9 + 1, which is 22119.