Question

find the value of 2×(27)^-2/3
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Answer 1

Step-by-step explanation:

$2 \times {27}^{ \frac{ - 2}{3} } \\ = 2 \times {3}^{3 \times \frac{ - 2}{3} }$

$= 2 \times {3}^{ - 2} \\ = 2 - 9 \\ = - 7$