sammyschopf sammyschopf 29-09-2022 Mathematics contestada Ronald said that (8.0 × 10^7) + (6.2 × 10^3) = 14.2 x 10^10. Amy added the numbers too and said the sum was 8.00062 × 10^7. Ronald then added the numbers a second time and came up with his original result. Whose solution is correct?