Question

by what number should 5/3^-2 be multiplied so that the product may be 7/3^-1 ?​

Answer 1

Answer:

Step-by-step explanation:

Solution. Hence, (5/3)−2 should be multiplied by 25/21 to obtain (7/3)−1.

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Answer 2

Answer:

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Step-by-step explanation:

$\frac{5}{ {3}^{ - 2} } \times x = \frac{7}{ {3}^{ - 1} } \\ = > 5 \times {3}^{2} \times x = 7 \times {3}^{1} \\ = > 5 \times 9 \times x = 21 \\ = > 45x = 21 \\ = > x = \frac{21}{45} = \frac{7}{15} \\ = > x = \frac{7}{15}$