ImaanBinomar ImaanBinomar
  • 08-11-2020
  • Mathematics
contestada

27x9^3x can be written in the form 3^k where K is an expression in terms of x. Find k

Respuesta :

jimrgrant1 jimrgrant1
  • 08-11-2020

Answer:

k = 3 + 6x

Step-by-step explanation:

Using the rule of exponents

[tex]a^{m}[/tex] × [tex]a^{n}[/tex] ⇔ [tex]a^{(m+n)}[/tex]

[tex](a^{m}) ^{n}[/tex] = [tex]a^{mn}[/tex]

Given

27 × [tex]9^{3x}[/tex]

= 3³ × [tex](3^{2}) ^{3x}[/tex]

= 3³ × [tex]3^{6x}[/tex]

= [tex]3^{3+6x}[/tex]

= [tex]3^{k}[/tex] → with k = 3 + 6x

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