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?

Ronald said that 80 107 62 103 142 x 1010 Amy added the numbers too and said the sum was 800062 107 Ronald then added the numbers a second time and came up with class=