Answer :

Let's find the value of [tex]\( w \)[/tex] in the equation:

[tex]\[ \frac{1}{(11^4)^7} = 11^w \][/tex]

We will start by simplifying the left-hand side of the equation step by step.

### Step 1: Simplify the exponent on the left-hand side

First, let's simplify [tex]\((11^4)^7\)[/tex]. We use the property of exponents that states [tex]\((a^m)^n = a^{m \cdot n}\)[/tex]:

[tex]\[ (11^4)^7 = 11^{4 \cdot 7} \][/tex]

Calculate the exponent:

[tex]\[ 4 \cdot 7 = 28 \][/tex]

So, we have:

[tex]\[ (11^4)^7 = 11^{28} \][/tex]

### Step 2: Rewrite the fraction using the simplified exponent

Next, write the fraction [tex]\(\frac{1}{11^{28}}\)[/tex]:

[tex]\[ \frac{1}{11^{28}} = 11^{-28} \][/tex]

Using the property that [tex]\( \frac{1}{a^n} = a^{-n} \)[/tex], we find that:

[tex]\[ \frac{1}{11^{28}} = 11^{-28} \][/tex]

### Step 3: Equate the simplified expression to the original equation

We originally had the equation:

[tex]\[ \frac{1}{(11^4)^7} = 11^w \][/tex]

Now we know that:

[tex]\[ \frac{1}{11^{28}} = 11^{-28} \][/tex]

Substituting this into the original equation, we get:

[tex]\[ 11^{-28} = 11^w \][/tex]

### Step 4: Solve for [tex]\( w \)[/tex]

Since the bases are the same, we can equate the exponents:

[tex]\[ -28 = w \][/tex]

Thus, the value of [tex]\( w \)[/tex] is:

[tex]\[ w = -28 \][/tex]

Therefore, [tex]\( w \)[/tex] in the equation [tex]\(\frac{1}{(11^4)^7} = 11^w\)[/tex] is [tex]\(\boxed{-28}\)[/tex].