a) 410 . 815
= 220 . 245
= 265
b) 415 . 510
= 645 . 255
= 16005
c) 2716 : 910
= 348 : 320
= 328
d) 723 . \(\frac{54^2}{108}\)
= 722 . 27
= 139968
e) \(\frac{3^{10}.11+3^{10}.5}{3^{10}.2^4}\)
=\(\frac{3^{10}\left(11+5\right)}{3^{10}.2^4}\)
=\(\frac{3^{10}.2^4}{3^{10}.2^4}\)
= 1