QUESTION IMAGE
Question
move numbers to the table to show the value of x that satisfies each equation.
| equation | value of x |
|---|---|
| $4^x = \frac{1}{16}$ |
numbers to move: -4, -3, -2, 2, 3, 4
Step1: Rewrite 16 as power of 2
$16 = 2^4$
Step2: Solve for x in $2^x=2^4$
Since bases are equal, equate exponents: $x=4$
Step3: Rewrite $\frac{1}{16}$ as power of 4
$\frac{1}{16} = 4^{-2}$ (because $4^2=16$, so $4^{-2}=\frac{1}{4^2}$)
Step4: Solve for x in $4^x=4^{-2}$
Since bases are equal, equate exponents: $x=-2$
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| Equation | Value of $x$ |
|---|---|
| $4^x = \frac{1}{16}$ | -2 |