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babygirl809

  • one year ago

What is the value of the expression 1/3-5 ? A. 243 B. 15 C. 1/15 D. 1/243

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  1. babygirl809
    • one year ago
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    @imqwerty

  2. MrNood
    • one year ago
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    you need to calrify the equation a bit use brackets or use ^ to represent "power of"

  3. anonymous
    • one year ago
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    what do you think

  4. babygirl809
    • one year ago
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    b

  5. MrNood
    • one year ago
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    why?

  6. babygirl809
    • one year ago
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    idk im guessing

  7. anonymous
    • one year ago
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    well its not b

  8. babygirl809
    • one year ago
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    c

  9. MrNood
    • one year ago
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    this is maths - guessing doesn't work don't 'TRY again' - work it out can you write 3^-5 in another way

  10. babygirl809
    • one year ago
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    a

  11. MrNood
    • one year ago
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    \[3^{-a} =\frac{ 1 }{ 3^{a} }\] so can oyu write that using 5 for a

  12. MrNood
    • one year ago
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    @mathman101 please read you own posts and see if they are contributing anything....

  13. triciaal
    • one year ago
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    to get the symbol for exponent shift the number 6 key

  14. triciaal
    • one year ago
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    |dw:1444324113224:dw|

  15. triciaal
    • one year ago
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    |dw:1444324369652:dw|

  16. anonymous
    • one year ago
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    do you now understand it or do you still need help

  17. babygirl809
    • one year ago
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    i still need a little hepl

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