start with 1, multiply by 2. then multiply the result by 3.then continue to alternate multiplying by 2 and by 3.what is the ones digit after the twelfth multiplication

Answer 1

2
6
12
36
72
216
see the pattern? it is either 2 or 6. The even number of multiplications are 6

Answer 2

multiply 2 by 8, then multiply 3 by the result