Prove the following

Question:

 [(2/13)-6÷(2/13)3]3 × (2/13)-9 = (2/13)-36

Solution:

Explanation: [(2/13)-6÷(2/13)3]3 × (2/13)-9

= [(2/13)-6-3]3 × (2/13)-9

= [(2/13)-9]3 × (2/13)-9

= (2/13)-9×3 × (2/13)-9

= (2/13)-27 × (2/13)-9

= (2/13)-27-9

= (2/13)-36

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