42 can be divided by 2 once. The result, 21, is not divisible by 2.
I think 7x3 is = to 21
25 of them
two
2000
310.
100 2s for the hundreds digit of 200-30010 2s for the tens digit of 220-23010 2s for the ones digit of 200-300________________________________120 '2s'
46.
unknown
1
36
26