anonymous
  • anonymous
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
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@madhu.mukherjee.946
anonymous
  • anonymous
it's D
anonymous
  • anonymous
could you please explain why?

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anonymous
  • anonymous
Well , it's difficult to explain . Just use calculator . It will be easier
madhu.mukherjee.946
  • madhu.mukherjee.946
D
madhu.mukherjee.946
  • madhu.mukherjee.946
|dw:1442949206044:dw|
anonymous
  • anonymous
Thanks for the help guys! I have 4 more, would you mind helping me with them?
anonymous
  • anonymous
It won't take long, I promise!
anonymous
  • anonymous
sure . :)
anonymous
  • anonymous
What is the value of the expression 1/5^-5 A) 1/3125 B) 1/25 C) 25 D) 3125
anonymous
  • anonymous
|dw:1442949494909:dw| So , it's B .
anonymous
  • anonymous
What is the value of the expression 3/3^-2 ? A) 27 B) 18 C) 1/2 D) 1/3
anonymous
  • anonymous
now , I think you should solve it by yourself . and post your answer . I will check that . The all questions are same .
anonymous
  • anonymous
Is it D?
anonymous
  • anonymous
yes ! it's D . you r correct . :)
anonymous
  • anonymous
What value of w solves the equation? W^-3 = 1/64 W=?
anonymous
  • anonymous
|dw:1442950089806:dw|
anonymous
  • anonymous
Okay, last one What value of c solves the equation? 4^c =1/16
anonymous
  • anonymous
@SyedMohammed98 @imqwerty I am getting little difficulties to solve it .
imqwerty
  • imqwerty
\[a^\left( -b \right)=\frac{ 1 }{ a^b }\]
imqwerty
  • imqwerty
try solving it now :)
imqwerty
  • imqwerty
\[3^\left( -4 \right)=\frac{ 1 }{ 3^4 }=\frac{ 1 }{ 81}\]
anonymous
  • anonymous
@Learner11 I got my score back, and they were all wrong except for the first one

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