Question

Efectuati:
[(-2)^4]^40 - [(-2)^2]^20
P.S. ^ inseamna ''la puterea''

Answer 1

[(-2)⁴]⁴⁰ - [(-2)²]²⁰=
=2¹⁶⁰-2⁴⁰=2⁴⁰(2¹²⁰-1)

Answer 2

$[(-2)^4]^4^0-[(-2)^2]^2^0=2^1^6^0-2^4^0=2^4^0(2^{160-40}-1)=2^4^0(2^1^2^0-1)$