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anonymous
 3 years ago
a9 × a18 =
anonymous
 3 years ago
a9 × a18 =

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jtvatsim
 3 years ago
Best ResponseYou've already chosen the best response.0you mean \[a^9\times a^{18} \] right?

jtvatsim
 3 years ago
Best ResponseYou've already chosen the best response.0Remember 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?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0add the powers a^m x a^n gives a^m+n

whpalmer4
 3 years ago
Best ResponseYou've already chosen the best response.0for example, \[a^3*a^4 = (a*a*a)*(a*a*a*a) = a*a*a*a*a*a*a = a^7 = a^{3+4}\]
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