Answer:
answer
Step-by-step explanation:
you have to subtract 3b from 3a so the answer is 0.
2560000 sequences of answers are possible.
<em><u>Explanation</u></em>
Total number of questions = 10
First 4 questions have 5 choices each and remaining (10-4)= 6 questions have 4 choices each.
So, the possible sequences of answers for first 4 questions 
and the possible sequences of answers for remaining 6 questions 
Thus, the total possible number of sequences of answers = (625 × 4096) = 2560000
Answer:
multiply 72 times 9
Step-by-step explanation: 648
Answer:
He did not wait as long between each treatment of ant killer.
Step-by-step explanation:
He did one on monday and another on saturday then checked them on sunday