a) a²b=(-0,4)²·6=0,16·6=0,96
b)6x³yz=6·(1/2)³·(-3/4)·(-2/3)=6·(1/8)·(-3/4)·(-2/3)=36/96=3/8
c)pr²s=(-2 1/3)·(1 1/2)²·(-3,2)=(-7/3)·(3/2)²·(-16/5)=(-7/3)(9/4)(-16/5)=84/5=16 4/5
d)5x²y=5(-0,5)²(-3)=5(-1/2)²(-3)=5(1/4)(-3)=-15/4=-3 3/4
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a) a²b=(-0,4)²·6=0,16·6=0,96
b)6x³yz=6·(1/2)³·(-3/4)·(-2/3)=6·(1/8)·(-3/4)·(-2/3)=36/96=3/8
c)pr²s=(-2 1/3)·(1 1/2)²·(-3,2)=(-7/3)·(3/2)²·(-16/5)=(-7/3)(9/4)(-16/5)=84/5=16 4/5
d)5x²y=5(-0,5)²(-3)=5(-1/2)²(-3)=5(1/4)(-3)=-15/4=-3 3/4