Jawapan

  • Pengguna Brainly
2016-02-05T13:46:14+08:00
5^9 X 7^12 X 13^6 
= 1953125 x 1.384 x 10^10 x 4826809
= 2.703 x 10^16 x 4826809
= 1.305 x 10^23
1 5 1