Which of these is correct? (1 point)
O (8.8 * 10 ^ 8)(4.2 * 10 ^ 7) = 13 * 10 ^ 15
(2.9 * 10 ^ 8)(1.3 * 10 ^ 7) = 3.77 * 10 ^ 15
(9.9 * 10 ^ 7)(5.8 * 10 ^ 6) = 5.72 * 10 ^ 13
○ (4.6 * 10 ^ 5)(2.1 * 10 ^ 4) = 2.5 * 10
O (8.8 * 10 ^ 8)(4.2 * 10 ^ 7) = 13 * 10 ^ 15
(2.9 * 10 ^ 8)(1.3 * 10 ^ 7) = 3.77 * 10 ^ 15
(9.9 * 10 ^ 7)(5.8 * 10 ^ 6) = 5.72 * 10 ^ 13
○ (4.6 * 10 ^ 5)(2.1 * 10 ^ 4) = 2.5 * 10