сравните подробно плиз!!!!!!!!!!!!!!!!!!!!

(2.1*10^-1)(4*10^-1) и 0.008
2.1 /10 *4/10 и 0.008
2.1 *4 /10*10 и 0.008
8.4 /100. и 0.008
0.084 и 0.008

0.084 > 0.008 (0.084 - 0.008=0.076)