Step-by-step explanation:
It would be 67,437,000,000 since the eight in 67,436,(8)28,104 rounds the 6 up to a 7.
To find all the different possible combinations, you multiply all the possibilities for each position.
1st - she as 20 different possible buttons
2nd - she would have 19 possible buttons
3rd-she would have 18 possible buttons
20 x 19 x 18=6840 possible ways to choose these buttons.
Answer:
the answer is 4
Step-by-step explanation:130-50=80
80/20=4
Your answer for this question would be 15/c^8
