Multiple choice general knowledge math & puzzles Product of 333,333,333 Multiplied by 333,333,333 112234345435348889 232345536343338889 111111110888888889 222111330888448889 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Multiplying 333,333,333 × 333,333,333 follows the pattern (10^9 - 1)^2 / 9, which equals 111,111,110,888,888,889. This uses the algebraic identity where numbers consisting entirely of 3s have squares with this distinctive digit pattern.