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23 November, 19:59

6. (q^9) ^2

A. 2q^18

B. q^18

C. q^81

D. q^11

7. (6q^6) ^-4

A. 6q^1296

B. 1296q^2

C. 1/1296q^24

D. 6q^-24

8. What is the value of 12x^-3 y^-1 for x = - 1 and y = 5?

A. - 12/5

B.-10

C.-0

D. 5/12

+1
Answers (1)
  1. 23 November, 21:39
    0
    6) B. q^18

    7) C. 1/1296q^24

    8) A. - 12/5

    Step-by-step explanation:

    6. (q^9) ^2

    = q^ (9*2)

    = q^18

    Answer

    B. q^18

    7. (6q^6) ^-4

    = 1 / (6q^6) ^4

    = 1 / 1296q^24

    Answer

    C. 1/1296q^24

    8. What is the value of 12x^-3 y^-1 for x = - 1 and y = 5?

    12x^-3 y^-1

    = 12/x^3y

    = 12 / (-1) ^3 (5)

    = 12/-5

    = - 12/5

    Answer

    A. - 12/5
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