2•2•5•3•7•11=4,620 
15.
2 x 3 x 5 is the prime factorization of 30.
an experiment succeeds twice as many times as it fails. find the chance that in 6 trails, there will be atlest 5 success
2,222,2222 + 2 + 2 + 2 + 2 + 2 + 2 = 7(2) = 142 - 2 - 2 - 2 - 2 - 2 - 2 = 2 - 6(2) = -102*2*2*2*2*2*2 = 27 = 1282/2/2/2/2/2/2 = 2/26 = 1/32Otherwise, it's just a bunch of 2's.
It is: (2+10) times 5 = 60
2•2•5•3•7•11=4,620 
140
7
7585
5.45
15.
2 x 3 x 5 is the prime factorization of 30.
The product is 1285
9 times5 of them were in Texas
It gose in 5 times5 times
The factors for 9 times 2 times 5 (90) are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The prime factors are 2 x 3 x 3 x 5.