Jawapan

  • Pengguna Brainly
2016-02-08T20:57:45+08:00
5^20 X 7^15 X 13^10 
= 6.241718957 x 10^37
= 6.24 x 10^37
1 5 1
2016-02-08T21:14:14+08:00
= 6.241718957 x 10^37
= 6.24 x 10^37