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Evaluate the expression. [(3–5)(34)]3 1 Innermost group, apply the product of powers: [3–1]3 2 Apply the power of a power: 3–3 3 Apply the negative exponent: 1 33 4 Simplify: 1 x What is the value of x in the simplified expression?

User Igor
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2 Answers

4 votes

Answer:

27

Explanation:

:)

User Tung
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4 votes

Answer:

x=27

Explanation:

To evaluate the expression:
[(3^(-5))(3^4)]^3

Step 1: Innermost group, apply the product of powers (
a^x * a^y =a^(x+y)

Therefore:


(3^(-5))(3^4)=3^(-5+4)=3^(-1)

We then have:


=[3^(-1)]^3

Step 2: Apply the power of a power


[3^(-1)]^3=3^(-1 * 3) =3 ^(-3)

Step 3: Apply the negative exponent


3 ^(-3) =(1)/(3^3)

Step 4: Simplify


(1)/(3^3)=(1)/(27)

Therefore, the value of x in the simplified expression is 27.

User Ahmad AlMughrabi
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