Jawapan

  • Pengguna Brainly
2016-02-05T14:59:03+08:00
(6^4)^(-3) / [6^3 x (7^(-3))^2)] 
= 6^(-12) / 6^3 x 7^(-6)
= 6^-15 x 7^-6
= 1.808 x 10^-17
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