Question

Add. Write your answer in scientific notation.
(2.8 x 10^9) + (3 x 10^8)​

Answer 1

3.1 x 10^9

Explanation:

(2.8 x 10^9) + (3 x 10^8)​ = (28 x 10^8) + (3 x 10^8)​

= (28+3) x 10^8

= 31 x 10^8

= 3.1 X 10^9