The code for "BITS" is determined by summing the squares of its letter values, based on the scheme \( A=1, B=2, \ldots, Z=26 \).
1. Assign numerical values to each letter:
- B: \(2\)
- I: \(9\)
- T: \(20\)
- S: \(19\)
2. Square each numerical value:
- \(B: 2^2 = 4\)
- \(I: 9^2 = 81\)
- \(T: 20^2 = 400\)
- \(S: 19^2 = 361\)
3. Sum the squared values:
\(4 + 81 + 400 + 361 = 846\)
The resultant code for "BITS" is **846**.