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May 6, 2015

Homework Help: 7th Grade Math Ms. Sue!

Posted by Gabby on Wednesday, April 17, 2013 at 10:12pm.

4.
Which expression would you use to figure out the number of ways you can arrange the letters in the word equation? (1 point)

8!
8P4
4P8
4!

5.
Five friends are having their picture taken. How many ways can the photographer arrange the friends in a row? (1 point)

150
100
120
80

6.
How would you apply the fundamental counting principle to a bike lock combination with 5 numbers? (1 point)

10 + 10 + 10 + 10 + 10
10 x 5
10 10 10 10 10
none of these


My Answers:
1)A
2)C
3)C

Are these correct?



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