#47
1) 2^6=64
2) (-7)²=49
3) (0,6)²=0,36
4) 7²=49
5) (1/2)³=1/8
6) (-1/2)³= (-1/8)
7) (1 1/5)³= (6/5)³= (216/125)=1,728
8) (-1 1/5)³= (-6/5)³= -(216/125)=-1,728
#48
1)4³+3^5=64+243=307
2)(-8)²-(-1)^10=64-1=63
3)7*(-3/7)²=7*9/49=9/2=4 1/2
4)(-0,6)³-(-0,5)³=-0,216-(-0,125)=-0,216+0,125=- 0.091
5)(6³:400+0,3³):(-0,1)²=(216:400+0,027):0,01=0,567:0,01=56,7
6)(3,8-4,1)⁴(-1 2/3)³= (-0,3)⁴• (-5/3)³=(-0,3)•(-125/27)=25/19=1 6/19