VA ROG MULT.ESTE URGENT.DAU COROANA SI MA ABONEZ

Daca a=-0,1·25/2 si b=[-25/2]⁻²,calculati a·b.


Răspuns :

Răspuns:

a=-0,1×25/2

a=-1/10×25/2

a=-5/4

b=[-25/2]la puterea -2

b=[-2/25] la puterea 2

b=-4/625

a×b=-5/4×-4/625

=1/125