anonymous
  • anonymous
What is the value of the expression 3–4? A. –81 B. –12 C. – 1/81 D. 1/81
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@radar @Nnesha
Nnesha
  • Nnesha
exponent rule \[\huge\rm x^{-m}=\frac{ 1 }{ x^m }\]
DanJS
  • DanJS
3^(-4)

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More answers

anonymous
  • anonymous
ok @Nnesha i have no time to explane plz give me answer plz i cant do this
anonymous
  • anonymous
and yes
Nnesha
  • Nnesha
how do you know you `can't` do this
Nnesha
  • Nnesha
this is the easy topic in math
Nnesha
  • Nnesha
flip the fraction when you do that sign of exponent would change
Nnesha
  • Nnesha
here is an example \[\huge\rm 2^{-2} = \frac{ 1 }{ 2^2 }\]
anonymous
  • anonymous
ok
Nnesha
  • Nnesha
so \[3^{-4} =?\]
anonymous
  • anonymous
1/18?
Nnesha
  • Nnesha
18 ?
anonymous
  • anonymous
?\[\frac{ 1 }{ 18 }\]
Nnesha
  • Nnesha
not 18 3^4 is same as 3 times 3 times 3 times 3 which isn't equal to 18
Nnesha
  • Nnesha
\[\frac{ 1 }{ 3 \times 3 \times 3 \times 3}\]
anonymous
  • anonymous
ok so -1/18?
anonymous
  • anonymous
A. –81 B. –12 C. – 1/18 D. 1/18
Nnesha
  • Nnesha
3 times 3 times 3 times 3 = ??
anonymous
  • anonymous
12
Nnesha
  • Nnesha
i'm serious.
Nnesha
  • Nnesha
http://prntscr.com/8biwdt these are answer choices
anonymous
  • anonymous
yea
mathstudent55
  • mathstudent55
To raise a number to a negative power, first, ignore the negative and just raise the number to the positive exponent. Then write 1 over the number. Examples: \(5^{-3} \) start with \(5^3 = 125\). Now write 1 over that. Answer \(\dfrac{ 1}{125} \) \(6^{-2}\) start with \(6^2 = 36\). Now write 1 over the number. Answer \(\dfrac{1}{36} \)
Nnesha
  • Nnesha
so 3 times 3 times 3 times 3 = what ?
anonymous
  • anonymous
it is 81
anonymous
  • anonymous
ok
Nnesha
  • Nnesha
yes right!!! so \[\frac{ 1 }{ 3 \times 3 \times 3 \times 3 }=\frac{ 1 }{ 81 }\] not 1/18
anonymous
  • anonymous
ok so what next
anonymous
  • anonymous
plz
Nnesha
  • Nnesha
that's it1
anonymous
  • anonymous
ok and?
anonymous
  • anonymous
what is answewr?
anonymous
  • anonymous
er
Nnesha
  • Nnesha
seriously ?
anonymous
  • anonymous
im just so furoustrated plz
Nnesha
  • Nnesha
reread my comments
anonymous
  • anonymous
i did
anonymous
  • anonymous
lol, he has a slow streak
Nnesha
  • Nnesha
so what's the answer ?
anonymous
  • anonymous
1
anonymous
  • anonymous
but
anonymous
  • anonymous
t
anonymous
  • anonymous
it
anonymous
  • anonymous
is
anonymous
  • anonymous
not
anonymous
  • anonymous
on
anonymous
  • anonymous
my
anonymous
  • anonymous
don't give him the answer if he is this lazy.
Nnesha
  • Nnesha
one is not answer pay attention reread my comments
Nnesha
  • Nnesha
like seriously ?
anonymous
  • anonymous
ok
anonymous
  • anonymous
plz
Nnesha
  • Nnesha
I said read my comments again
anonymous
  • anonymous
This guy is hopeless
anonymous
  • anonymous
1/81
Nnesha
  • Nnesha
yes!
anonymous
  • anonymous
shut up @MMAguy
Nnesha
  • Nnesha
thank you thank you!
anonymous
  • anonymous
math is hard fo me
anonymous
  • anonymous
do your own homework @shadybubba
anonymous
  • anonymous
hes kinda right
Nnesha
  • Nnesha
when you don't put an effort then definitely it's hard
Nnesha
  • Nnesha
good luck!
anonymous
  • anonymous
Nnesha such a hottie!
anonymous
  • anonymous
waaaaaaaat?
anonymous
  • anonymous
just help me
anonymous
  • anonymous
no, you won't even help yourself.
anonymous
  • anonymous
@Nnesha,@MMAguy likes you
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @shadybubba just help me \(\color{blue}{\text{End of Quote}}\) you got the answer for this question right!
anonymous
  • anonymous
lawl @please_help_me
anonymous
  • anonymous
:D
anonymous
  • anonymous
lololol
anonymous
  • anonymous
so answer is 1/18?
Nnesha
  • Nnesha
don't spam!
anonymous
  • anonymous
81
Nnesha
  • Nnesha
1/81 not 18
anonymous
  • anonymous
goodnes gracious look up and all see the answer!
anonymous
  • anonymous
*u'll
anonymous
  • anonymous
thx @Nnesha
Nnesha
  • Nnesha
you're welcome
anonymous
  • anonymous
@MMAguy you were right
anonymous
  • anonymous
about what? @please_help_me
anonymous
  • anonymous
when you said: Nnesha such a hottie!
anonymous
  • anonymous
jk lol
anonymous
  • anonymous
lol

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