Вычислите:
a) ( 5,2x10^-2)x(3x10^-2)
б) (0,13x10^-2)x(0,2x10^-1)
в) (7,2x10^-2)x(1,1x10^-3)

а) (52/10×1/100)×(3×1/100)=52/1000×3/100=156/100000=0,00156

б) (13/100×1/100)×(2/10×1/10)=13/10000×2/100=26/1000000=0,000026

в) (72/10×1/100)×(11/10×1/1000)=72/1000×11/10000=792/10000000=0,0000791