Answer:
4,151,347,200
Step-by-step explanation:
To find how many ways the train can be made up we use the permutation formula and the values given.
n = 16
k = 9




So there will be 4,151,347,200 different ways that the train can be made.
Answer:
B) 4cm
Step-by-step explanation:
Hope this helps! Pls give brainliest!
Answer:
the second option and x=20
Answer:
This is an improper fraction so we need to make it a mix fraction.
Step-by-step explanation:
21/10 = 10/10+10/10+1/10
10/10=1
So your final answer will be 