anonymous
  • anonymous
A family refers to two or more people related by marriage,birth, or adoption who reside together. in 2000, in Country A, the average networth of a family was $240,000 and there were about 8.8 * 10 to the seventh power families. Calculate the total networth of a family in 2000
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
I came up with .0027 but I do not think that is right
jim_thompson5910
  • jim_thompson5910
it says "in 2000, in Country A, the average networth of a family was $240,000 " so the question is asking what's already given...something seems off
anonymous
  • anonymous
I typed it as it was written, I have to use scientific notation and round to the nearest tenth as needed \[\frac{ 2.4*10^{5} }{ ?8.8*10^{7} }\]

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jim_thompson5910
  • jim_thompson5910
i see how you got 0.0027, but the problem doesn't make sense. It gives you the net worth, but asks you what the net worth is.
anonymous
  • anonymous
Then I came up with \[2.7\times10^{-2}\]
anonymous
  • anonymous
I see what you are saying about that as well Im so lost lol
jim_thompson5910
  • jim_thompson5910
\[\frac{ 2.4*10^{5} }{ 8.8*10^{7} } = \frac{2.4}{8.8} \times 10^{5-7}\] \[\frac{ 2.4*10^{5} }{ 8.8*10^{7} } = 0.27 \times 10^{-2}\] \[\frac{ 2.4*10^{5} }{ 8.8*10^{7} } = (2.7 \times 10^{-1}) \times 10^{-2}\] \[\frac{ 2.4*10^{5} }{ 8.8*10^{7} } = 2.7 \times 10^{-1-2}\] \[\frac{ 2.4*10^{5} }{ 8.8*10^{7} } = 2.7 \times 10^{-3}\]
jim_thompson5910
  • jim_thompson5910
but I doubt that's what you're looking for since they want the net worth
anonymous
  • anonymous
I am not sure where you came up with the 2.7 x \[10^{-1-2}\] because my examples from other problems just subtract straight down
jim_thompson5910
  • jim_thompson5910
I'm adding the exponents because I'm multiplying 10^(-1) and 10^(-2)
jim_thompson5910
  • jim_thompson5910
-1 + (-2) = -1 - 2
anonymous
  • anonymous
No I get that part, what I do not get is where the \[10^{-1}\] even came from????
jim_thompson5910
  • jim_thompson5910
oh 0.27 = 2.7 x 10^(-1)
anonymous
  • anonymous
Well almost I am pretty sure that if you take the original equation and then
anonymous
  • anonymous
divide the parts seperately it equals \[2.7\times10^{-2}\]
jim_thompson5910
  • jim_thompson5910
the answer is 0.0027, which in scientific notation is 2.7 x 10^(-3)
jim_thompson5910
  • jim_thompson5910
so you're missing that 10^(-1)
jim_thompson5910
  • jim_thompson5910
well i mean \[\frac{ 2.4*10^{5} }{ 8.8*10^{7} } = 0.0027\]
anonymous
  • anonymous
So Country A's total family net worth is .0027 dollars?
jim_thompson5910
  • jim_thompson5910
problem is...that makes no sense whatsoever
jim_thompson5910
  • jim_thompson5910
if that was true, then this is the poorest country ever (and I mean really poor)
anonymous
  • anonymous
lol now you see my confusion
jim_thompson5910
  • jim_thompson5910
yeah this problem is just messed up
jim_thompson5910
  • jim_thompson5910
I'm sry
anonymous
  • anonymous
maybe it is asking for the total networth of all the families combined.?
jim_thompson5910
  • jim_thompson5910
hmm good point, but it says Calculate the total networth of A FAMILY in 2000 so idk
anonymous
  • anonymous
I see the confusion. The problem is worded funny. It is your choice, finding the total seems more logical to me. As we are told in engineering, if you state your assumption you can not be wrong, haha. So state I am assuming they are asking for the total networth of all families. haha
anonymous
  • anonymous
I don't like this problem ultimately.
jim_thompson5910
  • jim_thompson5910
same here
anonymous
  • anonymous
Is it maybe asking that i use the scientific notation of simplifying the $240,000 down to 2.4 x \[10^{5}\]
jim_thompson5910
  • jim_thompson5910
I'd just say the answer is $240,000...that's what they're asking for
jim_thompson5910
  • jim_thompson5910
sure you can write the answer in sci notation if you want
anonymous
  • anonymous
Thank you to you both, I'm simply going to show the work and then explain where the word problem became confusing as to what it was asking for.
jim_thompson5910
  • jim_thompson5910
np
anonymous
  • anonymous
The problem does not make meaning something is missing
anonymous
  • anonymous
That is the entire problem. and then it says Country A's total family net worth is ____ dollars? (use scientific notation, and round to the nearest tenth as needed
anonymous
  • anonymous
well the answer ended up being \[2.1\times10^{13}\]
jim_thompson5910
  • jim_thompson5910
hmm there's probably some formula used to get that...not sure which one

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