Question

Please answer this question shown in the picture! Thank you soooo much if you do! ;w;

Answer 1

3.07 . 10^8.

Explanation:

2.3 . 10^8 + 4.7 . 10^7

= 230,000,000 + 77,000,000

= 307,000,000

= 3.07 . 10^8.