Answer:
there are 720 possible answers
Step-by-step explanation:
(10 choices) on the first, then the second (9 choices) then the third (8 choices). So there would be 10 x 9 x 8 = 720 possible choices.
720
If order mattered, we would say select the first number (10 choices), then the second (9 choices) then the third (8 choices). So there would be 10 x 9 x 8 = 720 possible choices.
Answer: 2
165
180-15=165
ah yes very interesting
I'm not sure myself.
5x
since they are under the same term they can be added to each other
