is3535
  • is3535
help very hard
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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ali2x2
  • ali2x2
Ill see what i can do for you mr. Ananymous
ali2x2
  • ali2x2
I dont see what you typed...
is3535
  • is3535
|dw:1442370906435:dw|

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More answers

is3535
  • is3535
2X10^21/8X10^3
ali2x2
  • ali2x2
I still cant see... Type it out or take a screenshot and put it at-
ali2x2
  • ali2x2
ok
is3535
  • is3535
2X10^21/8X10^3
ali2x2
  • ali2x2
2.5e+23
is3535
  • is3535
what
is3535
  • is3535
@paki
is3535
  • is3535
i think 2.5x10^17
imqwerty
  • imqwerty
hey this is for u try this - http://www.cymath.com/ :)
freckles
  • freckles
You asked this same question before.
imqwerty
  • imqwerty
lol ahahaha :D
is3535
  • is3535
2.5 x 10^17 is my answer
freckles
  • freckles
yes that is what we got previously on that thread
freckles
  • freckles
like did you have a question about the work or something?
is3535
  • is3535
i need help in one more can you help me
freckles
  • freckles
ok
freckles
  • freckles
\[(A \cdot 10^{n}) \times (B \cdot 10^{m}) \text{ do } (A \cdot B) \times (10^{n+m})\]
freckles
  • freckles
you may have to adjust to write in scientific notation
is3535
  • is3535
(4.5x10^-8)(6x10x-4)
freckles
  • freckles
can you try what I suggested above
freckles
  • freckles
we will have to make an adjustment after that first step
is3535
  • is3535
|dw:1442371710637:dw|
freckles
  • freckles
\[(4.5 \times 10^{-8})(6 \times 10^{-4}) \\ =(4.5 \cdot 6) \times 10^{-8-4} \\ =?\]
is3535
  • is3535
-8 + -4 =-12
freckles
  • freckles
we still have one more step after this and I hope you see why after perfoming the multiplication 4.5 times 6
freckles
  • freckles
yes that one exponent is -12
is3535
  • is3535
so 2.7x10^-12 is my answer
freckles
  • freckles
isn't 4.5 times 6, 27 not 2.7 ?
is3535
  • is3535
it can be 32
freckles
  • freckles
wait!
freckles
  • freckles
what?
is3535
  • is3535
ok
freckles
  • freckles
4.5 times 6 is not 32
freckles
  • freckles
|dw:1442379248330:dw|
is3535
  • is3535
27
freckles
  • freckles
\[27 \times 10^{-12}\] you have to make an adjustment to write in scientific notation
freckles
  • freckles
\[\text{ hint : } 27 =2.7 \times 10\]
is3535
  • is3535
= 27
freckles
  • freckles
2.7 times 10 is 27 is what I said is the hint use this hint to write our answer in scientific notation
is3535
  • is3535
13
freckles
  • freckles
\[27 \times 10^{-12} \\ 2.7 \times 10 \cdot 10^{-12} \\ =?\]
is3535
  • is3535
i said 13
freckles
  • freckles
but 1-12 isn't 13
is3535
  • is3535
11
freckles
  • freckles
or 1+(-12) which is the same as 1-12
freckles
  • freckles
well isn't 11 either
freckles
  • freckles
1+(-12)=1-12=-(12-1)=-(11)=-11
is3535
  • is3535
2.7x10^-11 i got
freckles
  • freckles
\[(4.5 \times 10^{-8})(6 \times 10^{-4}) \\ (4.5 \cdot 6) \times 10^{-8+(-4)} \\ 27 \times 10^{-12} \\ (2.7 \cdot 10) \times 10^{-12} \\ 2.7 \times (10 \cdot 10^{-12}) \\ 2.7 \times 10^{1+(-12)} \\ 2.7 \times 10^{-11}\]
is3535
  • is3535
2.7x10^-11 is my answer
is3535
  • is3535
say yes
freckles
  • freckles
lol I already said I got 2.7 times 10^(-11)
freckles
  • freckles
above
freckles
  • freckles
do you see my work?
freckles
  • freckles
or is it not showing?

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