anonymous
  • anonymous
What is the value of the expression shown below? 3 + (2 + 8)2 ÷ 4 × 1 over 2 to the power of 4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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UsukiDoll
  • UsukiDoll
@Teddyiswatshecallsme we shall work together! LO!L
anonymous
  • anonymous
Lol (:
UsukiDoll
  • UsukiDoll
|dw:1436835626870:dw| does your question look like this?

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More answers

anonymous
  • anonymous
yeppy
UsukiDoll
  • UsukiDoll
ok.. we need PEMDAS again XD
UsukiDoll
  • UsukiDoll
so working with the () we hve (2+8)^2 and that fraction (1/2)^4 so we need to solve 2+8 which is?
anonymous
  • anonymous
10
UsukiDoll
  • UsukiDoll
ok.. so writing 1/2 4 times we should have something like |dw:1436835758512:dw|
UsukiDoll
  • UsukiDoll
let's split it up first .. what's 1/2 x 1/2 ?
anonymous
  • anonymous
1 whole
UsukiDoll
  • UsukiDoll
it's like 1 x 1 / 2 x 2 multiplication
UsukiDoll
  • UsukiDoll
|dw:1436835823056:dw|
anonymous
  • anonymous
wait no lol sorry thinking adding 1/4
UsukiDoll
  • UsukiDoll
|dw:1436835880405:dw| ok.. what's 1/4 x 1/4
anonymous
  • anonymous
1/8
UsukiDoll
  • UsukiDoll
O_O
anonymous
  • anonymous
1/16
UsukiDoll
  • UsukiDoll
if we are really adding if there is the same denominator we don't add the denominator.. just the numerator. we are multiplying yes that's better. x)
anonymous
  • anonymous
im so bad at fractions sorry
UsukiDoll
  • UsukiDoll
|dw:1436836012715:dw|
UsukiDoll
  • UsukiDoll
so now we still have an exponent to deal with .. what's (10)^2 or 10 x 10 ?
anonymous
  • anonymous
100
UsukiDoll
  • UsukiDoll
|dw:1436836085785:dw|
UsukiDoll
  • UsukiDoll
now we got PE out of the way we got MDAS look like 4 x 1/16 would be next
anonymous
  • anonymous
1/4
UsukiDoll
  • UsukiDoll
yes 1/4
UsukiDoll
  • UsukiDoll
|dw:1436836250381:dw| now divison.
anonymous
  • anonymous
400
anonymous
  • anonymous
i think
UsukiDoll
  • UsukiDoll
hmm if it's 100 divided by 1/4 that's |dw:1436836368659:dw|
UsukiDoll
  • UsukiDoll
|dw:1436836391458:dw| now just add.
anonymous
  • anonymous
403
UsukiDoll
  • UsukiDoll
yeah...the problem is I'm not that confident.. I think there was a slip or something.. I need to recheck a portion...
UsukiDoll
  • UsukiDoll
|dw:1436836507654:dw|
UsukiDoll
  • UsukiDoll
so based on PEMDAS... 4 x 1/16 should happen which is 1/4
UsukiDoll
  • UsukiDoll
|dw:1436836533879:dw| then division which is supposed to be 100 divided by 1/4
UsukiDoll
  • UsukiDoll
|dw:1436836591711:dw| hmm I got that answer again...
anonymous
  • anonymous
3 + (2 + 8)2 ÷ 4 × 1 over 2 to the power of 4 4 and 1 over 32 4 and 9 over 16 6 and 1 over 8 6 and 1 over 32
UsukiDoll
  • UsukiDoll
wow a mistake happened.. I thought so..
UsukiDoll
  • UsukiDoll
k.. it had something to do with |dw:1436836857593:dw|
UsukiDoll
  • UsukiDoll
|dw:1436836894086:dw|
anonymous
  • anonymous
1 9/16
anonymous
  • anonymous
for 100 over 4 times 1/16
anonymous
  • anonymous
so the answer is 4 9/16
UsukiDoll
  • UsukiDoll
yeah that division sign needed to be rewritten differently.
UsukiDoll
  • UsukiDoll
yeah it is 4 9/16
UsukiDoll
  • UsukiDoll
|dw:1436837077837:dw|
UsukiDoll
  • UsukiDoll
|dw:1436837113712:dw|
UsukiDoll
  • UsukiDoll
|dw:1436837127923:dw|
anonymous
  • anonymous
Thank you for helping and catching the mistake.
UsukiDoll
  • UsukiDoll
|dw:1436837143519:dw|
UsukiDoll
  • UsukiDoll
you're welcome it was the division symbol that threw me off badly. We were doing the right arithmetic after all.
UsukiDoll
  • UsukiDoll
|dw:1436837245936:dw| that threw me off X(

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