Calculati:
b)7¹⁹•7⁸³•7=
c)10⁵¹:(10³⁸:10²⁰)=
d)(2¹⁰)³:(2²)¹⁹=
e)2⁵•8³:4⁵=
f)(5•5²•5³•5⁴•...•5¹⁰⁰):5²⁰=
![Calculati B777 C101010 D22 E284 F555555 class=](https://ro-static.z-dn.net/files/d8e/49380d2c41cf5efd1dcdc0fe747911c9.jpg)