7. The value of the term in the 10th row, 7th position of Pascal's Triangle is: a. 0 b. 120 C. 70 d. 15 8. The expression 20 × 19 × 18 × 17 is best expressed by: a. C(20,4) b. P(20,4) c. C(20,17) d. P(20,17)

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Chapter2: Second-order Linear Odes
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Pls help ASAP. Pls show all work. Pls do both of the asked questions pls i BEG. 

7. The value of the term in the 10th row, 7th position of Pascal's Triangle is:
a. 0
b. 120
C.
70
d. 15
8. The expression 20 x 19 x 18 x 17 is best expressed by:
a. C(20,4)
b. P(20,4)
c. C(20,17)
d. P(20, 17)
Transcribed Image Text:7. The value of the term in the 10th row, 7th position of Pascal's Triangle is: a. 0 b. 120 C. 70 d. 15 8. The expression 20 x 19 x 18 x 17 is best expressed by: a. C(20,4) b. P(20,4) c. C(20,17) d. P(20, 17)
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