Question

50 la puterea 2 -30 la puterea 2 =
2 la puterea 4 + 3 la puterea 2 x 5 la puterea 0 =

Answer 1

50^2 -30^2 =
=5^4 x2^2- 2^2x3^2x5^2=
=5^2 x2^2(5^2- 3^2)=
=5^2 x2^2(25- 9)=
=25x4x16=
=100x16=
=1600

 2^4 + 3^2 x 5^0 =
= 2^4 + 3^2 x 1 =
=16+ 9 =25