Select the correct answer.

Simplify the following expression:
[tex]\[ 3^{\frac{11}{8}} \div 3^{-\frac{1}{1}} \][/tex]

A. 12
B. 81
C. [tex]\(\frac{1}{12}\)[/tex]
D. [tex]\(\frac{1}{81}\)[/tex]



Answer :

To simplify the expression [tex]\(3^{\frac{11}{8}} \div 3^{-1}\)[/tex], we can use the properties of exponents. Specifically, when dividing powers with the same base, we subtract the exponents.

Given expression:
[tex]\[ 3^{\frac{11}{8}} \div 3^{-1} \][/tex]

Step 1: Express the division of powers as a single power by subtracting the exponents:
[tex]\[ 3^{\frac{11}{8}} \div 3^{-1} = 3^{\frac{11}{8} - (-1)} \][/tex]

Step 2: Simplify the exponent by handling the subtraction:
[tex]\[ \frac{11}{8} - (-1) = \frac{11}{8} + 1 = \frac{11}{8} + \frac{8}{8} = \frac{11 + 8}{8} = \frac{19}{8} \][/tex]

Step 3: Rewrite the expression using the simplified exponent:
[tex]\[ 3^{\frac{19}{8}} \][/tex]

Step 4: Calculate the numerical value of [tex]\(3^{\frac{19}{8}}\)[/tex]:
[tex]\[ 3^{\frac{19}{8}} \approx 13.588 \][/tex]

Based on the answer choices provided, none of them directly match [tex]\(13.588\)[/tex]. This indicates that probably some intermediate steps might need further polishing or checking. Nonetheless, the closest and correct simplification leads us to know it's not any of the simple fractional or integer values in the list given.

Given that we measured the equation, and acknowledging the correct approach yields results outside the specific answer list, it is possible to assert:
\[ None of the provided answer choices (A, B, C, D) are correct since [tex]\( 3^{\frac{19}{8}} \approx 13.5882 \)[/tex]]

Therefore, from the provided answer choices, there is no exact answer that matches [tex]\( 13.588232836293946 \)[/tex].

So based on rigorous calculations we can conclusively evaluate:
No correct answer provided in the list.