is3535
  • is3535
help me now
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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is3535
  • is3535
Working with Exponents
is3535
  • is3535
@west_coast
anonymous
  • anonymous
I think i can help XD

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More answers

anonymous
  • anonymous
wassup
is3535
  • is3535
5^-8 * 5^-4
is3535
  • is3535
|dw:1442003545311:dw|
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=5^-8+*+5^-4
anonymous
  • anonymous
i havnt been doin that yet
Nnesha
  • Nnesha
when we multiply same bases we should `add` exponents \[\huge\rm x^m \times x^n=x^{m+n}\]
is3535
  • is3535
what grad are you in @west_coast
Nnesha
  • Nnesha
you just need to know how to subtract and add for exponents question :=) that's it
anonymous
  • anonymous
|dw:1442003685702:dw|
is3535
  • is3535
5^32
Nnesha
  • Nnesha
how did you did 32 ? add both exponents !
is3535
  • is3535
yes i did
Nnesha
  • Nnesha
okay what did you add to get 32 ?
is3535
  • is3535
8 * 4 = 32
anonymous
  • anonymous
lol
is3535
  • is3535
@Mehek14
is3535
  • is3535
lol
Nnesha
  • Nnesha
i said add
Nnesha
  • Nnesha
what 's add means ? what is multiplication ?
anonymous
  • anonymous
lmfao
Nnesha
  • Nnesha
4 times what =32 ?
anonymous
  • anonymous
omg
is3535
  • is3535
8
anonymous
  • anonymous
im dyin rn
is3535
  • is3535
i got 5^-12
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @Nnesha when we multiply same bases we should `add` exponents \[\huge\rm x^m \times x^n=x^{m+n}\] \(\color{blue}{\text{End of Quote}}\) read this
Nnesha
  • Nnesha
thanks thanks !!
is3535
  • is3535
i add
Nnesha
  • Nnesha
-8-4= -12 right
Nnesha
  • Nnesha
\[5^{-12}\] now flip the fraction to make the positive exponent
Nnesha
  • Nnesha
\[\huge\rm x^{-m}=\frac{ 1 }{ x^m }\] flip the fraction to convert negative to positive exponent
is3535
  • is3535
|dw:1442004123099:dw|
Nnesha
  • Nnesha
\[\huge\rm 5^{-12}= \frac{ 5^{-12} }{ 1 } \] 5 to the -12 power is same as 5^{-12} over one now flip the fraction
is3535
  • is3535
12^5
Nnesha
  • Nnesha
is english your first language ?
Nnesha
  • Nnesha
what does `flip` means ? :=)
Nnesha
  • Nnesha
|dw:1442004195527:dw| now flip the fraction! when you do that `sign of the exponent would change`
is3535
  • is3535
|dw:1442004213322:dw|
Nnesha
  • Nnesha
yes right!
Nnesha
  • Nnesha
|dw:1442004255141:dw| now flip this
Nnesha
  • Nnesha
when you flip the fraction sign of the exponent would change! it was negative so when you flip the fraction exponent will become positive
Nnesha
  • Nnesha
here is an example \[\huge\rm \frac{ 2^{-3} }{ 1 }=\frac{ 1 }{ 2^3 }\]
Nnesha
  • Nnesha
look at that example for 5 mints!^^^
Nnesha
  • Nnesha
\[\large\rm \frac{ 5^{-12} }{ 1 }=\frac{ ? }{ ? }\]
Nnesha
  • Nnesha
no just flip the fraction just like u did before but when you do that `sign` of exponent would change
is3535
  • is3535
|dw:1442004550269:dw|
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @Nnesha here is an example \[\huge\rm \frac{ 2^{-3} }{ 1 }=\frac{ 1 }{ 2^3 }\] \(\color{blue}{\text{End of Quote}}\) like in this example it was 2^{-3} /1 when i flipped the fraction it become 1/2 to the positive 3 power
Nnesha
  • Nnesha
yes that's right!
is3535
  • is3535
now what
is3535
  • is3535
@Nnesha
is3535
  • is3535
@west_coast
Nnesha
  • Nnesha
that's it! now practice
is3535
  • is3535
|dw:1442004797852:dw|
Nnesha
  • Nnesha
ohh so they don't u to convert that to positive exponnet
is3535
  • is3535
srry c
Nnesha
  • Nnesha
did we get c ?
is3535
  • is3535
yes we did
is3535
  • is3535
sir
is3535
  • is3535
@Nnesha are you there
is3535
  • is3535
omg i need help
Nnesha
  • Nnesha
okay what did we get ? remember we multiply same bases we should add exponents
is3535
  • is3535
i got c
Nnesha
  • Nnesha
okay reread my comments you really need to pay attention to this
is3535
  • is3535
ok sir
is3535
  • is3535
so now what
Nnesha
  • Nnesha
now tell me what's the answer......
is3535
  • is3535
im not sure
is3535
  • is3535
ill go with b
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @Nnesha when we multiply same bases we should `add` exponents \[\huge\rm x^m \times x^n=x^{m+n}\] \(\color{blue}{\text{End of Quote}}\)
Nnesha
  • Nnesha
so \[\huge\rm 5^{-8} \times 5^{-4}=5^{??}\]
is3535
  • is3535
32
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @Nnesha \(\color{blue}{\text{Originally Posted by}}\) @Nnesha when we multiply same bases we should `add` exponents \[\huge\rm x^m \times x^n=x^{m+n}\] \(\color{blue}{\text{End of Quote}}\) \(\color{blue}{\text{End of Quote}}\) reread this
is3535
  • is3535
or 12
Nnesha
  • Nnesha
i'll type it again when we multiply same bases we should \(\huge\color{green}{\rm ADD}\) their exponents
is3535
  • is3535
8+ 4 is 12
Nnesha
  • Nnesha
so you should `ADD` exponents instead multiplying them
Nnesha
  • Nnesha
both exponents are negative -8-4
is3535
  • is3535
ok my omg it is -4
Nnesha
  • Nnesha
-8-4 = -4??
is3535
  • is3535
4
Nnesha
  • Nnesha
what grade are you in ?
is3535
  • is3535
1th
Nnesha
  • Nnesha
good.
Nnesha
  • Nnesha
when both numbers have the same sign we should add them
Nnesha
  • Nnesha
+2+2 = 4 -2-2=-4
is3535
  • is3535
-4
Nnesha
  • Nnesha
-8-4 = ?
is3535
  • is3535
-12
Nnesha
  • Nnesha
yes right.
is3535
  • is3535
now what
Nnesha
  • Nnesha
go play outside ! :=) 1th grade student
Nnesha
  • Nnesha
that's it. that would be the exponent of 5
is3535
  • is3535
yo bro im in 8th grade
is3535
  • is3535
so what is my answer
Nnesha
  • Nnesha
what did we get ?
is3535
  • is3535
|dw:1442006235964:dw|
Nnesha
  • Nnesha
yes right
Nnesha
  • Nnesha
so that's ur answer
is3535
  • is3535
i need more help
Nnesha
  • Nnesha
okay.

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