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anonymous

  • one year ago

What is the value of the expression shown below? 3 + (2 + 8)2 ÷ 4 × 1 over 2 to the power of 4

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  1. UsukiDoll
    • one year ago
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    @Teddyiswatshecallsme we shall work together! LO!L

  2. anonymous
    • one year ago
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    Lol (:

  3. UsukiDoll
    • one year ago
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    |dw:1436835626870:dw| does your question look like this?

  4. anonymous
    • one year ago
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    yeppy

  5. UsukiDoll
    • one year ago
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    ok.. we need PEMDAS again XD

  6. UsukiDoll
    • one year ago
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    so working with the () we hve (2+8)^2 and that fraction (1/2)^4 so we need to solve 2+8 which is?

  7. anonymous
    • one year ago
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    10

  8. UsukiDoll
    • one year ago
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    ok.. so writing 1/2 4 times we should have something like |dw:1436835758512:dw|

  9. UsukiDoll
    • one year ago
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    let's split it up first .. what's 1/2 x 1/2 ?

  10. anonymous
    • one year ago
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    1 whole

  11. UsukiDoll
    • one year ago
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    it's like 1 x 1 / 2 x 2 multiplication

  12. UsukiDoll
    • one year ago
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    |dw:1436835823056:dw|

  13. anonymous
    • one year ago
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    wait no lol sorry thinking adding 1/4

  14. UsukiDoll
    • one year ago
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    |dw:1436835880405:dw| ok.. what's 1/4 x 1/4

  15. anonymous
    • one year ago
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    1/8

  16. UsukiDoll
    • one year ago
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    O_O

  17. anonymous
    • one year ago
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    1/16

  18. UsukiDoll
    • one year ago
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    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)

  19. anonymous
    • one year ago
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    im so bad at fractions sorry

  20. UsukiDoll
    • one year ago
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    |dw:1436836012715:dw|

  21. UsukiDoll
    • one year ago
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    so now we still have an exponent to deal with .. what's (10)^2 or 10 x 10 ?

  22. anonymous
    • one year ago
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    100

  23. UsukiDoll
    • one year ago
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    |dw:1436836085785:dw|

  24. UsukiDoll
    • one year ago
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    now we got PE out of the way we got MDAS look like 4 x 1/16 would be next

  25. anonymous
    • one year ago
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    1/4

  26. UsukiDoll
    • one year ago
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    yes 1/4

  27. UsukiDoll
    • one year ago
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    |dw:1436836250381:dw| now divison.

  28. anonymous
    • one year ago
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    400

  29. anonymous
    • one year ago
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    i think

  30. UsukiDoll
    • one year ago
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    hmm if it's 100 divided by 1/4 that's |dw:1436836368659:dw|

  31. UsukiDoll
    • one year ago
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    |dw:1436836391458:dw| now just add.

  32. anonymous
    • one year ago
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    403

  33. UsukiDoll
    • one year ago
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    yeah...the problem is I'm not that confident.. I think there was a slip or something.. I need to recheck a portion...

  34. UsukiDoll
    • one year ago
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    |dw:1436836507654:dw|

  35. UsukiDoll
    • one year ago
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    so based on PEMDAS... 4 x 1/16 should happen which is 1/4

  36. UsukiDoll
    • one year ago
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    |dw:1436836533879:dw| then division which is supposed to be 100 divided by 1/4

  37. UsukiDoll
    • one year ago
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    |dw:1436836591711:dw| hmm I got that answer again...

  38. anonymous
    • one year ago
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    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

  39. UsukiDoll
    • one year ago
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    wow a mistake happened.. I thought so..

  40. UsukiDoll
    • one year ago
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    k.. it had something to do with |dw:1436836857593:dw|

  41. UsukiDoll
    • one year ago
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    |dw:1436836894086:dw|

  42. anonymous
    • one year ago
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    1 9/16

  43. anonymous
    • one year ago
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    for 100 over 4 times 1/16

  44. anonymous
    • one year ago
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    so the answer is 4 9/16

  45. UsukiDoll
    • one year ago
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    yeah that division sign needed to be rewritten differently.

  46. UsukiDoll
    • one year ago
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    yeah it is 4 9/16

  47. UsukiDoll
    • one year ago
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    |dw:1436837077837:dw|

  48. UsukiDoll
    • one year ago
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    |dw:1436837113712:dw|

  49. UsukiDoll
    • one year ago
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    |dw:1436837127923:dw|

  50. anonymous
    • one year ago
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    Thank you for helping and catching the mistake.

  51. UsukiDoll
    • one year ago
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    |dw:1436837143519:dw|

  52. UsukiDoll
    • one year ago
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    you're welcome it was the division symbol that threw me off badly. We were doing the right arithmetic after all.

  53. UsukiDoll
    • one year ago
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    |dw:1436837245936:dw| that threw me off X(

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