anonymous
  • anonymous
Annabelle and Navene are multiplying (4275)(4372). Annabelle's Work Navene's Work (4275)(4372) = 42 + 375 + 2 = 4577 (4275)(4372) = 42⋅375⋅2 = 46710 Is either of them correct? Explain your reasoning.
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
(4^2 7^5) (4^3 7^2)= 4^2 + ^3 7^5+ ^2 = 4^5 7^7
anonymous
  • anonymous
annabele
anonymous
  • anonymous
now ima do navenes

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freckles
  • freckles
what do the carets before the numbers mean?
freckles
  • freckles
for example what does ^3 mean?
anonymous
  • anonymous
(4^2 7^5) (4^3 7^2) = 4^2 x ^3 7^5 x ^2 = 4^6 7^10
anonymous
  • anonymous
sorry
anonymous
  • anonymous
@freckles it means like its an exponent so i guess its raised
Michele_Laino
  • Michele_Laino
hint:we can write this: \[\large \left( {{4^2} \cdot {7^5}} \right)\left( {{4^3} \cdot {7^2}} \right) = \left( {{4^2} \cdot {4^3}} \right)\left( {{7^5} \cdot {7^2}} \right) = {4^{2 + 3}} \cdot {7^{5 + 2}} = ...?\]
freckles
  • freckles
like I know what 5^2 means this is 5*5 but I have no clue what something like ^3 means
anonymous
  • anonymous
the exponents are being added or also they are being multiplied in the other one
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @77777jeannie77777 (4^2 7^5) (4^3 7^2)= 4^2 + ^3 7^5+ ^2 = 4^5 7^7 \(\color{blue}{\text{End of Quote}}\) you ate base
anonymous
  • anonymous
whats that?
anonymous
  • anonymous
http://learn.flvs.net/educator/student/examform.cgi?mmatheny6*calmelanie*mpos=3&spos=0&slt=Yn9C.4YylE7Gs*4028*0005
anonymous
  • anonymous
can u see it?
anonymous
  • anonymous
its #7
Nnesha
  • Nnesha
http://prntscr.com/89limo here what number is raising to the 3rd power that's what she is asking
anonymous
  • anonymous
can u see the question?
Nnesha
  • Nnesha
no :(
anonymous
  • anonymous
ugh
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @77777jeannie77777 (4^2 7^5) (4^3 7^2)= 4^2 + ^3 7^5+ ^2 = 4^5 7^7 \(\color{blue}{\text{End of Quote}}\) it's 4^3 power not 4^2 ( i guess )
anonymous
  • anonymous
wait a sec im going to see if i can make it a file
anonymous
  • anonymous
no i cant :(
anonymous
  • anonymous
how do i take a screenshot?
Nnesha
  • Nnesha
okay just recheck ur work #first comment
anonymous
  • anonymous
how do i take one?
Nnesha
  • Nnesha
https://chrome.google.com/webstore/detail/lightshot-screenshot-tool/mbniclmhobmnbdlbpiphghaielnnpgdp?utm_source=chrome-app-launcher-info-dialog add to chrome
anonymous
  • anonymous
ok wait a sec plz
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
Nnesha
  • Nnesha
okay so 4^{3+2} use parentheses so we can understand otay :=)
anonymous
  • anonymous
ok:D
anonymous
  • anonymous
4^(5)
Michele_Laino
  • Michele_Laino
as I wrote before, your expression can be rewritten as below: \[\large \left( {{4^2} \cdot {7^5}} \right)\left( {{4^3} \cdot {7^2}} \right) = \left( {{4^2} \cdot {4^3}} \right)\left( {{7^5} \cdot {7^2}} \right) = {4^{2 + 3}} \cdot {7^{5 + 2}} = ...?\]
Nnesha
  • Nnesha
when we multiply same bases we should add or multiply the exponents ?
anonymous
  • anonymous
add?
Nnesha
  • Nnesha
yes right
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
ok so michele its 4^(5) times 7^(7)
anonymous
  • anonymous
right?
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
so then when there not like bases how do u multiply it?
Michele_Laino
  • Michele_Laino
we have to compute the explicit value of each power and then we have to multiply them together
anonymous
  • anonymous
whaa?
Nnesha
  • Nnesha
then you can't like for this one \[2^2 \times 3^5 \]
Nnesha
  • Nnesha
you will not see question like that one ^^ hehe
anonymous
  • anonymous
lol
Michele_Laino
  • Michele_Laino
for example: \[\large \begin{gathered} \left( {{4^2} \cdot {7^5}} \right)\left( {{4^3} \cdot {7^2}} \right) = \left( {{4^2} \cdot {4^3}} \right)\left( {{7^5} \cdot {7^2}} \right) = {4^{2 + 3}} \cdot {7^{5 + 2}} = \hfill \\ \hfill \\ = 1024 \cdot 823543 = {\text{843}}{\text{,308}}{\text{,032}} \hfill \\ \end{gathered} \]
anonymous
  • anonymous
ok nnesha i didnt understand what u said above that
anonymous
  • anonymous
whoa!!
anonymous
  • anonymous
so u just multiply the bases and then the exponents together right?
Nnesha
  • Nnesha
you question is when bases are not like then how would we multiply it ? if bases are not same you can't multiply or add the exponents \[2^2 \times 3^5= 2 \times 2 \times 3 \times 3 \times 3 \times 3 \times 3\]
Michele_Laino
  • Michele_Laino
no, I'm sorry, you have to evaluate each power first, then you have to multiply the obtained values together
anonymous
  • anonymous
ohh then you multiply all those together?
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
ooh
Nnesha
  • Nnesha
btw ur username is same as \[\huge\rm 7^5jeannie7^5\]
anonymous
  • anonymous
haha ^.^
anonymous
  • anonymous
so 972?
Nnesha
  • Nnesha
o^_^o
Nnesha
  • Nnesha
what 972 ?
anonymous
  • anonymous
multiplying all of them together
Nnesha
  • Nnesha
ohh the example i gave you ? yes
anonymous
  • anonymous
can you please do a summarry of the answer please? of the question lol
Nnesha
  • Nnesha
you already know when we multiply same bases we should `add or multiply` their exponents ?
anonymous
  • anonymous
add
Nnesha
  • Nnesha
yes! right! so who is right anna or Navene ?
anonymous
  • anonymous
ohh annabel
Nnesha
  • Nnesha
yes yayay! anna!
anonymous
  • anonymous
yayyyyy thx
Nnesha
  • Nnesha
my pleasure :=) , \[\huge\rm 7^5jeannie7^5\]
anonymous
  • anonymous
;D

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