210 ways. This is a permutation question. Thus, insert 7P3 means 7 runners there is 3 places to be occupied. (7P3=210ways)
Ans is 3.5,pls check it again
Answer:
-80 is a real rational number
Step-by-step explanation:
it is real, and it is rational. It isn't irrational, and it is not a natural number either
Answer:
D. 40 cups
Step-by-step explanation:
10÷2=5
5×8=40
She will use 40 cups of trail mix