nattiebug00 nattiebug00
  • 02-08-2017
  • Mathematics
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Need help ASAP! Could someone please explain step by step on how to do this?

Need help ASAP Could someone please explain step by step on how to do this class=

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choixongdong
choixongdong choixongdong
  • 02-08-2017
a^b(3a^b)^c = 81 a^5b

as you know 3^4 = 81

so if c= 4 then
a^b(3a^b)^4 = 81 a^5b
a^b(3^4 a^4b) = 81 a^5b
3^4 a^5b =81 a^5b
81 a^5b = 81 a^5b ..................true

so answer

4
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