Question

(6) evaluate<br />(1) 27^-1×7^-1 / 3^-3×7^-2




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Answer 1

Answer:

$Evaluate : \\ \frac{ {27}^{ - 1 } \times {7}^{ - 1} }{ {3}^{ - 3} \times {7}^{ - 2} } \\ = \frac{ {3}^{3} \times {7}^{2} }{ {27}^{1} \times {7}^{1} } \\ = \frac{27 \times 49}{27 \times 7} \\ = 7$