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xbrittxcheerx92x

  • 3 years ago

Simplify and write answer in exponential form: 3^3 + 2 • 3^3

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  1. Kitt020912
    • 3 years ago
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    \[3\times3\times3+2\times3\times3\times3\]

  2. xbrittxcheerx92x
    • 3 years ago
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    My professor's answer was 3 x 3^3 but idk how she got that

  3. tkhunny
    • 3 years ago
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    Factor this: A + 2A

  4. xbrittxcheerx92x
    • 3 years ago
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    3A

  5. tkhunny
    • 3 years ago
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    Now try \((3^{3} + 2\cdot 3^{3})\) Hint: It is EXACTLY the same.

  6. xbrittxcheerx92x
    • 3 years ago
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    I'm sorry, but I still don't understand this.. :(

  7. anonymous
    • 3 years ago
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    one apple and two apples are three apples one \(3^3\) and two \(3^3\) are three \(3^3\) and \(3\times 3^3=3^{1+3}=3^4\)

  8. anonymous
    • 3 years ago
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    if your professor really wrote \[3\times 3^3\] he/she was not paying attention

  9. ZeHanz
    • 3 years ago
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    Try to see it this way: you have: 3^3 + 2 • 3^3, so this is 1 • 3^3 + 2 • 3^3 = 3 • 3^3 (you have 3 times 3^3). Last step: 3 • 3^3 = 3 • 3•3•3 = 3^4 (=81, I fail to see why you would stop after writing it as 3^4, just calculate the outcome...)

  10. xbrittxcheerx92x
    • 3 years ago
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    Omg! Thank you! That helped :)

  11. ZeHanz
    • 3 years ago
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    YW!

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