How do I add these two numbers in scientific notation?

51.023 x 10^-4


+29.981 x 10^1





How do I add these using the scientific notation method and what is the answer in scientific notation?How do I add these two numbers in scientific notation?
First equalise the powers of 10. Make 10^1 10^-4 by changing the number.





51.023x10^-4 + 299810 x10^-4





Add the coefficients of 10^-4.





299861.023





In scientific notation this is 2,99861023x10^-5How do I add these two numbers in scientific notation?
it equals 299.82 (2.dp) which converts to 2.9982x10^2 in scientific notation.