summergregg8
summergregg8 summergregg8
  • 19-07-2020
  • Mathematics
contestada

Evaluate the expression without using a calculator: log10^3x-2y

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 19-07-2020

Answer:

3x-2y

Step-by-step explanation:

log10^(3x-2y)

We know the base is base 10 since it is not written

log10 10^(3x-2y)

The log10 10 cancels

3x-2y

Answer Link
gmany
gmany gmany
  • 19-07-2020

Answer:

[tex]\huge\boxed{\log10^{3x-2y}=3x-2y}[/tex]

Step-by-step explanation:

[tex]\text{Use}\\\\(1)\log x=\log_{10}x\qquad(x>0)\\\\(2)\log_ab^n=n\log_ab\qquad(a>0;\ a\neq1;\ b>0)\\\\(3)\log_aa=1\qquad(a>0;\ a\neq1)\\\\\log10^{3x-2y}=\underbrace{(3x-2y)\log10}_{(2)}=\underbrace{(3x-2y)\log_{10}10}_{(1)}=\underbrace{(3x-2y)(1)}_{(3)}=3x-2y[/tex]

Answer Link

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