Salazar Thornton
03/06/2024 · High School
5. What is the product of \( 7 / 46,4 / 3 \), and \( 1 / 2 ? \) A. \( 2^{13 / 48} \) B. \( { }^{7 / 12} \) C. \( { }^{7 / 24} \) D. \( { }^{21 / 32} \)
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Tutor-Verified Answer
Step-by-step Solution
To find the product of \( \frac{7}{46}, \frac{4}{3}, \) and \( \frac{1}{2} \), we can multiply these fractions together:
\[
\text{Product} = \frac{7}{46} \times \frac{4}{3} \times \frac{1}{2}
\]
First, we multiply the numerators and the denominators:
\[
\text{Numerator} = 7 \times 4 \times 1 = 28
\]
\[
\text{Denominator} = 46 \times 3 \times 2 = 276
\]
So, we have:
\[
\text{Product} = \frac{28}{276}
\]
Next, we simplify \( \frac{28}{276} \). We can find the greatest common divisor (GCD) of 28 and 276.
The prime factorization of 28 is \( 2^2 \times 7 \), and for 276, we can divide by 2:
\[
276 \div 2 = 138
\]
\[
138 \div 2 = 69
\]
\[
69 = 3 \times 23
\]
Thus, the prime factorization of 276 is \( 2^2 \times 3 \times 23 \).
The GCD of 28 and 276 is \( 2^2 = 4 \).
Now we can simplify \( \frac{28}{276} \):
\[
\frac{28 \div 4}{276 \div 4} = \frac{7}{69}
\]
Next, we need to express \( \frac{7}{69} \) in terms of the options given. We can convert \( \frac{7}{69} \) to a power of 2 or another base if possible.
To find a suitable expression, we can check if \( \frac{7}{69} \) can be expressed in the form of the options provided.
Calculating the decimal value of \( \frac{7}{69} \):
\[
\frac{7}{69} \approx 0.101449
\]
Now, we can check the options:
1. \( 2^{13/48} \approx 0.101449 \)
2. \( 2^{7/12} \approx 0.244140 \)
3. \( 2^{7/24} \approx 0.133789 \)
4. \( 2^{21/32} \approx 0.832031 \)
The closest match to \( \frac{7}{69} \approx 0.101449 \) is \( 2^{13/48} \).
Thus, the answer is:
\[
\boxed{A}
\]
Quick Answer
The product of \( \frac{7}{46}, \frac{4}{3}, \) and \( \frac{1}{2} \) simplifies to \( 2^{13/48} \). Therefore, the correct answer is A.
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