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(Q). Find the first two non-zero digit in 100!.
Solution:-
 

FTNZD(100!) = ?
FTNZD(100!) = Uₜ(12²⁴) × Uₜ(4×3×2×1)
                          = 2⁴⁸ × 3²⁴ × 24

(2) × 2) × 24= 76 × 56 × 81 × 24= 56 × 44= 64 Answer76 × 5663025581 × 244224456 × 44+4carry 2 6×4 = 4 5×4 = 066