elyshiasantos1001 elyshiasantos1001 10-05-2021 Mathematics contestada What is the sum of ( 3 . 4 × 10 8 ) + ( 7 . 5 × 10 8 ) ? A. 1 . 09 × 10 9 B. 1 . 09 × 10 8 C. 1 . 09 × 10 17 D. 1 . 09 × 10 16