anonymous
  • anonymous
What is the value of the expression shown below? 3 over 5 to the power of 2 + 4 × 3 − 2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@DecentNabeel @Mertsj
DecentNabeel
  • DecentNabeel
2 + 4 × 3 − 2 2+12-2 14-2 =12 (3/5)^12 =
anonymous
  • anonymous
the answer would be?

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anonymous
  • anonymous
12?
DecentNabeel
  • DecentNabeel
\[\left(\frac{3}{5}\right)^{12}=\frac{3^{12}}{5^{12}}\quad \left(\mathrm{Decimal:\quad }\:0.00218\right)\]
anonymous
  • anonymous
12 9/25?
DecentNabeel
  • DecentNabeel
this is new qustion..
anonymous
  • anonymous
i mean whats the answer to the question
DecentNabeel
  • DecentNabeel
12*9/25 .. you need answer for this question
anonymous
  • anonymous
whats the answer to the first question
DecentNabeel
  • DecentNabeel
what is the question .. tell me again
anonymous
  • anonymous
3 over 5 to the power of 2 + 4 × 3 − 2
DecentNabeel
  • DecentNabeel
first solve this one.. 2 + 4 × 3 − 2
anonymous
  • anonymous
12
DecentNabeel
  • DecentNabeel
gud then 3/5 to the power of 12 then solve
DecentNabeel
  • DecentNabeel
mean.. 12^(3/5) ok
anonymous
  • anonymous
9.6?
anonymous
  • anonymous
whats the answer?
DecentNabeel
  • DecentNabeel
\[12^{\frac{3}{5}}=4.44129\] that is the answer
anonymous
  • anonymous
actually no these are the choices.... 10 and 9 over 25 11 and 2 over 25 12 and 9 over 25 13 and 2 over 25
anonymous
  • anonymous
I need the answer to the whole question.. i dont have time t6o solve it out.
anonymous
  • anonymous
*to
UsukiDoll
  • UsukiDoll
Due to OpenStudy's Code of Conduct, we can't give out direct answers. We can only guide the user through the process of solving their question.
anonymous
  • anonymous
ik but solving it is making me even more confused ik the rules
UsukiDoll
  • UsukiDoll
But I got to ask... where did you guys get the exponent 12 from when the original question is 3 over 5 to the power of 2 + 4 × 3 − 2 ???
UsukiDoll
  • UsukiDoll
wouldn't the problem be something like this? \[(\frac{3}{5})^2+4 \times 3 - 2\]
UsukiDoll
  • UsukiDoll
I do apologize the latex isn't working correctly... |dw:1436833508036:dw| is that your question @KAKES1967
anonymous
  • anonymous
yes
UsukiDoll
  • UsukiDoll
ok so this is order of operations. We need to do parenthesis, exponent, multiply, divide, add, and subtract so we do have parenthesis and exponent to deal with first.
UsukiDoll
  • UsukiDoll
so that exponent number 2 means that we write the fraction 3/5 twice |dw:1436833605156:dw| try solve that part first
anonymous
  • anonymous
so 1.2
UsukiDoll
  • UsukiDoll
umm it's best to work with fractions...decimals can be a pain sometimes
UsukiDoll
  • UsukiDoll
what's 3 x 3 what's 5 x 5
UsukiDoll
  • UsukiDoll
|dw:1436833698945:dw| we're trying to solve this part first because we have paraenthesis and exponents
anonymous
  • anonymous
9 and 25
UsukiDoll
  • UsukiDoll
cool! |dw:1436833730367:dw|
UsukiDoll
  • UsukiDoll
so we got PE out of the way... MDAS is still lurking ... oh I see multiplication what's 4 x 3 ?
anonymous
  • anonymous
9/25 plus 12-2
anonymous
  • anonymous
right?
UsukiDoll
  • UsukiDoll
yes |dw:1436833808152:dw| since there is no division, we skip it. Now we do addition. Note: we solve these problems from left to right (left that out by accident sorry ^_^)
anonymous
  • anonymous
2.36?
UsukiDoll
  • UsukiDoll
so .. ouch we have to do 9/25 +12 but the denominators aren't the same so we need to do the LCD/GCF well your attempt was close... let's go over this part together.
anonymous
  • anonymous
oh i thought it was 2 sorry
anonymous
  • anonymous
12.36
UsukiDoll
  • UsukiDoll
so we need to multiply 25/25 to the 12. |dw:1436833931892:dw| WOW! that's correct for that part.
UsukiDoll
  • UsukiDoll
but for the sake of simplicity since we need a mixed fraction at the end, let's keep this in fraction form. |dw:1436833972612:dw|
UsukiDoll
  • UsukiDoll
now we need to do the GCF all over again and it's just 25 so we multiply 25/25 for that 2 |dw:1436834026409:dw|
UsukiDoll
  • UsukiDoll
so what's 2 x 25?
anonymous
  • anonymous
50
UsukiDoll
  • UsukiDoll
mhm! |dw:1436834081913:dw| now 309-50
anonymous
  • anonymous
259
UsukiDoll
  • UsukiDoll
yes so we have |dw:1436834124013:dw| so we have an improper fraction, we need a mix fraction since your choices want it in that format.
UsukiDoll
  • UsukiDoll
ok... we just need to use division like this |dw:1436834175546:dw|
UsukiDoll
  • UsukiDoll
so how many times can 25 go into 25 ? or in other words what's 25 divided by 25 25/25 = ?
anonymous
  • anonymous
1
UsukiDoll
  • UsukiDoll
|dw:1436834232064:dw| yes and since 25 can't go into 9 we are done We just have to write this as a mixed fraction
UsukiDoll
  • UsukiDoll
|dw:1436834264657:dw|
anonymous
  • anonymous
10 9/25
UsukiDoll
  • UsukiDoll
so the 10 on the top is written first followed by the 9 on the numerator and 25 on the denominator we should have 10 9/25 yes!
anonymous
  • anonymous
XD thank you soooo much. Your just wonderful thanks for helping me understand. (:
UsukiDoll
  • UsukiDoll
you're welcome :)

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