Evaluate log base 13 of 19

Math
log13(19)
The change of base rule can be used if a and b are greater than 0 and not equal to 1, and x is greater than 0.
loga(x)=logb(x)logb(a)
Substitute in values for the variables in the change of base formula, using b=10.
log(19)log(13)
The result can be shown in multiple forms.
Exact Form:
log(19)log(13)
Decimal Form:
1.14795209…
Evaluate log base 13 of 19

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