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anonymous

  • one year ago

4 by the power of 2 -2(3x5+1) I have no clue what to do with the answer I got from the parenthesis since you are supposed to do that first.......

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  1. templeguy
    • one year ago
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    the answer is -16

  2. IrishBoy123
    • one year ago
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    i wish i could read minds too :p

  3. anonymous
    • one year ago
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    Thank you soo much @templeguy

  4. anonymous
    • one year ago
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    @IrishBoy123 sorry if I was confusing I really don't explain things very well soooo

  5. freckles
    • one year ago
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    I'm sorry what is going on in that problem? are you saying: \[4^{2-2(3x^5+1)}\]

  6. freckles
    • one year ago
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    oh is that one x a multiplication sign

  7. freckles
    • one year ago
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    \[4^2-2(3 \times 5+1)\] after thinking about it I think you mean this

  8. freckles
    • one year ago
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    order of operations say to perform what is in the grouping symbols first

  9. freckles
    • one year ago
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    in the grouping symbols you have 3(5)+1

  10. freckles
    • one year ago
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    you have multiplication and addition there the multiplication comes first then the addition

  11. freckles
    • one year ago
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    so 3(5)+1=?

  12. anonymous
    • one year ago
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    \[4^{2}-2(3x5+1)\]

  13. freckles
    • one year ago
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    oh so that is an x and not a multiplication symbol

  14. freckles
    • one year ago
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    are you suppose to evaluate the expression for some x value?

  15. anonymous
    • one year ago
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    @freckles no it's just a multiplication symbol

  16. freckles
    • one year ago
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    so I had it right a sec ago \[4^2-2(3 \times 5+1)\]

  17. freckles
    • one year ago
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    order of operations: 1) grouping symbols 2) exponents 3) mult/div as occurs left to right 3) add/sub as occurs left to right

  18. freckles
    • one year ago
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    looking at 1) we do have grouping symbols contained in the grouping symbols is 3(5)+1 we are to do multiplication before addition so you have to compute 3(5) and then add 1 on to that to get the answer for 3(5)+1

  19. freckles
    • one year ago
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    and you know 3(5)+1 =?

  20. templeguy
    • one year ago
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    Answer these five questions for five metals

  21. anonymous
    • one year ago
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    16 @freckles

  22. freckles
    • one year ago
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    right so we have \[4^2-2(3 \times 5+1) \\ 4^2-2(15+1) \\ 4^2-2(16)\]

  23. freckles
    • one year ago
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    now we have exponents subtraction and multiplication

  24. freckles
    • one year ago
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    according to the order of operations we are to take care of our exponenets first

  25. freckles
    • one year ago
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    and remember 4^2 means 4 times 4

  26. IrishBoy123
    • one year ago
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    @Haley123450 :-))

  27. freckles
    • one year ago
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    \[4^2-2(3 \times 5+1) \\ 4^2-2(15+1) \\ 4^2-2(16) \\ 16-2(16)\] now only two operations remain subtraction and multiplication you are to do the multiplication first then the subtraction you should get @templeguy 's answer after completion

  28. anonymous
    • one year ago
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    I didn't know what to do with the other half because I had 16 but I didn't know if I as supposed to add it multiply it or what. So it was kinda just sitting there

  29. anonymous
    • one year ago
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    And I totally agree

  30. freckles
    • one year ago
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    16-2(16) yes this means we need to multiply 2 and 16 which gives us 32 and so you have 16-32 you can also write this as -32+16 or -(32-16) -(16) -16

  31. freckles
    • one year ago
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    anyways i hope you feel better about this problem

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