7. In a town fiesta singing competition with 12 contestants, in how many ways can the organizer arrange the first three singers?
A. 132
B. 990
C. 1320
D. 1716
8. Mr. James asked Tina to draw all the diagonals of a certain polygon on the blackboard. Tina was able to draw 27 diagonals which her teacher declared correct. What was the given polygon?
A. Decagon
C. Nonagon
B. Hexagon
D. Pentagon
9. How many distinguishable permutations of the letters of the word EDUCATED?
A. 1680
B. 10 080
C. 20160
D. 40320
10. In how many ways can 10 DVDs be chosen to arrange a case with slots for 3 discs?
A. 600
B. 720
C. 840
D. 1200
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✏ ANSWER
7. In a town fiesta singing competition with 12 contestants, in how many ways can the organizer arrange the first three singers?
C. 1320
8. Mr. James asked Tina to draw all the diagonals of a certain polygon on the blackboard. Tina was able to draw 27 diagonals which her teacher declared correct. What was the given polygon?
C. Nonagon
9. How many distinguishable permutations of the letters of the word EDUCATED?
B. 10 080
10. In how many ways can 10 DVDs be chosen to arrange a case with slots for 3 discs?
B. 720
✏ HOPE IT HELP >//<33
Answer:
7.A
8.C
9.B
10.D
Step-by-step explanation:
yan po sagot q hopee mkatulong