Jawapan

2016-03-06T15:47:59+08:00
2(8⁴)+8 = 8200

By using calculator :

•Mode (2times)
•Base
•Insert 8200
•then, x² (which has dec in green color)
•=
•then, In (oct)
•your answer is 20010

For information :
dec (base 10)
bin (base 2)
oct (base 8)