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Determine the following (if necessary use ^ to indicate exponents, e.g. 2^(16) indicates $2^{16}$):

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a) 

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$\\begin{align*}\\log_b\\left(a^\\var{power}\\right) &= \\var{power}\\log_b\\left(a\\right)&& \\text{(by the log law }\\log_b(a^n)=n\\log_b(a)\\text{)}\\\\ &=\\var{power}\\times \\var{c}&& \\text{(given)}\\\\&=\\var{power*c} \\end{align*}$

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b)

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$\\begin{align*}\\var{mult}\\log_b\\left(a\\right) &=\\log_b\\left(a^\\var{mult}\\right)&& \\text{(by the log law }\\log_b(a^n)=n\\log_b(a)\\text{)} \\end{align*}$

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c)

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$\\begin{align*}\\log_b\\left(\\sqrt[\\var{root}]{x}\\right) &=\\log_b\\left(x^{\\frac{1}{\\var{root}}}\\right)&& \\text{(by the index law }\\sqrt[n]{x}=x^{\\frac{1}{n}}\\text{)}\\\\[3pt] &=\\frac{1}{\\var{root}}\\log_b(x)&& \\text{(by the log law }\\log_b(a^n)=n\\log_b(a)\\text{)}\\\\[3pt]&=\\frac{1}{\\var{root}}\\times \\var{d} &&\\text{(given)}\\\\[3pt]&=\\simplify{{d}/{root}}\\end{align*}$

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d) 

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$\\begin{align*}\\frac{1}{2}\\log_b\\left(\\var{square}\\right)&=\\log_b\\left(\\var{square}^{\\frac{1}{2}}\\right) &&\\text{(by the log law }\\log_b(a^n)=n\\log_b(a)\\text{)} \\\\&=\\log_b\\left(\\sqrt{\\var{square}}\\right)&& \\text{(by the index law }\\sqrt[n]{x}=x^{\\frac{1}{n}}\\text{)}\\\\[3pt] &=\\log_b(\\var{ans4})\\end{align*}$

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Suppose $\\log_b\\left(a\\right)=\\var{c}$. Evaluate $\\log_b\\left(a^\\var{power}\\right)$ = [[0]].

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$\\var{mult}\\log_b\\left(a\\right)$ is equivalent to $\\log_b\\large($[[0]]$\\large)$.

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Suppose $\\log_b\\left(x\\right)=\\var{d}$. Evaluate $\\log_b\\left(\\sqrt[\\var{root}]{x}\\right)$ = [[0]].

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$\\frac{1}{2}\\log_b\\left(\\var{square}\\right)$ is equivalent to $\\log_b\\large($[[0]]$\\large)$.

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