Question

2+7[2^2·2^3+6^10:(2^8·3^10)]:9=?

Answer 1

2^2=4
2^3=8
6^10= 60000000000( 10 de 0)
2^8=256
3^10=30000000000(10 de 0)
)4*8=32
)32+60000000000=60000000032(8 de 0)
256*30000000000=7680000000000(10 de 0)
600000000:7680000000000=0,0078
0,0078:9=8,(6)
8,(6)+9=9,0