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anonymous

  • one year ago

I'll fan and medal to whoever explains! What is the value of the expression 3^–4? A) -81 b) -12 c) -1/81 d) 1/81

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  1. anonymous
    • one year ago
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    @madhu.mukherjee.946

  2. anonymous
    • one year ago
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    it's D

  3. anonymous
    • one year ago
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    could you please explain why?

  4. anonymous
    • one year ago
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    Well , it's difficult to explain . Just use calculator . It will be easier

  5. madhu.mukherjee.946
    • one year ago
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    D

  6. madhu.mukherjee.946
    • one year ago
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    |dw:1442949206044:dw|

  7. anonymous
    • one year ago
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    Thanks for the help guys! I have 4 more, would you mind helping me with them?

  8. anonymous
    • one year ago
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    It won't take long, I promise!

  9. anonymous
    • one year ago
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    sure . :)

  10. anonymous
    • one year ago
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    What is the value of the expression 1/5^-5 A) 1/3125 B) 1/25 C) 25 D) 3125

  11. anonymous
    • one year ago
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    |dw:1442949494909:dw| So , it's B .

  12. anonymous
    • one year ago
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    What is the value of the expression 3/3^-2 ? A) 27 B) 18 C) 1/2 D) 1/3

  13. anonymous
    • one year ago
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    now , I think you should solve it by yourself . and post your answer . I will check that . The all questions are same .

  14. anonymous
    • one year ago
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    Is it D?

  15. anonymous
    • one year ago
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    yes ! it's D . you r correct . :)

  16. anonymous
    • one year ago
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    What value of w solves the equation? W^-3 = 1/64 W=?

  17. anonymous
    • one year ago
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    |dw:1442950089806:dw|

  18. anonymous
    • one year ago
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    Okay, last one What value of c solves the equation? 4^c =1/16

  19. anonymous
    • one year ago
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    @SyedMohammed98 @imqwerty I am getting little difficulties to solve it .

  20. imqwerty
    • one year ago
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    \[a^\left( -b \right)=\frac{ 1 }{ a^b }\]

  21. imqwerty
    • one year ago
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    try solving it now :)

  22. imqwerty
    • one year ago
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    \[3^\left( -4 \right)=\frac{ 1 }{ 3^4 }=\frac{ 1 }{ 81}\]

  23. anonymous
    • one year ago
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    @Learner11 I got my score back, and they were all wrong except for the first one

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