0 , 007 ⋅ 0, 00007 ⋅ 700 = 7 * 10 ^ ( - 3 ) * 0, 00007 ⋅ 700 = 7 * 10 ^ ( - 3 ) * 7 * 10 ^ ( - 5 ) ⋅ 700 = 7 * 10 ^ ( - 3 ) * 7 * 10 ^ ( - 5 ) ⋅ 7 * 10 ^ 2 = 7 * 7 * 7 * 10 ^ ( - 3 ) * 10 ^ ( - 5 ) * 10 ^ 2 = 49 * 7 * 10 ^ ( - 3 ) * 10 ^ ( - 5 ) * 10 ^ 2 = 343 * 10 ^ ( - 3 ) * 10 ^ ( - 5 ) * 10 ^ 2 = 343 * 10 ^ ( - 3 + ( - 5 ) + 2 ) = 343 * 10 ^ ( - 3 - 5 + 2 ) = 343 * 10 ^ ( - 8 + 2 ) = 343 * 10 ^ ( - 6 ) = 0 . 000343 ;То есть получили, 0, 007 ⋅ 0, 00007 ⋅ 700 = 0 , 000343 ;Ответ: 0 , 000343.