a) 0,473x100-1,47x10=
=473-14,7
=458,3
b) 3,24x0,2-0,4x1,5=
=0,648-0,6
=0,048
c) 0,0012x(10x10x10x10)-0,0021x(10x10x10)(nu prea înțeleg la ce putere este) =
=0,0012x10000-0,0021x1000
=12-2,1
=9,9
e)7,1x(10x10x10x10)-2,04x(10x10x10)=
=7,1x10000-2,04x1000
=71000-2040
=68960
