MathCastle
Grade 5SuperchallengePowers of Ten

Powers of Ten · Superchallenge problem

Jay types 3.63.6 into a calculator. Then he presses "×10\times 10" some number of times and "÷10\div 10" some number of times, 1212 presses in all. The final answer is 36 00036\,000. How many times did he press "×10\times 10"?