Answer:
6, -7
Step-by-step explanation:
when I followed those instructions, that's what i got.
:)
Answer: 720
Step-by-step explanation: if what you want are all possible three digit numbers with no repetition of the digits then you have 10 choices for the first digit, you have 9 choices for the 2nd digit, and you have 8 choices for the 3rd digit giving you 10x9x8 = 720 in all.
Answer:
31
Step-by-step explanation:
16+14+1 = 31
There is a possibility that I pick out all (16) green marbles, then all (14) blue ones and the following (31-th) marble must be red
