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jnnsandoval

a9 × a18 =

  • one year ago
  • one year ago

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  1. jtvatsim
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    you mean \[a^9\times a^{18} \] right?

    • one year ago
  2. jtvatsim
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    Remember that exponents just mean to multiply a number by itself that many times. So you have 9 a's multiplying together and then 18 a's multiplying together. How many a's have you multiplied?

    • one year ago
  3. Chelsea04
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    add the powers a^m x a^n gives a^m+n

    • one year ago
  4. whpalmer4
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    \[a^n*a^m=a^{n+m}\]

    • one year ago
  5. whpalmer4
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    for example, \[a^3*a^4 = (a*a*a)*(a*a*a*a) = a*a*a*a*a*a*a = a^7 = a^{3+4}\]

    • one year ago
  6. dman
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    |dw:1360388953140:dw|162

    • one year ago
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