Perform the following operationand express the answer inscientific notation.2.98×107 +3.12×107[? ] × 10 [? ]

Answer:
[tex]6.1\text{ }\times\text{ 10}^7[/tex]Explanation:
Here, we want to perform the given operation and give the answer in the correct scientific notation
We have that as:
[tex]\begin{gathered} 2.98\text{ }\times\text{ 10}^7\text{ + 3.12 }\times\text{ 10}^7 \\ =\text{ 10}^7(2.98\text{ + 3.12\rparen} \\ =\text{ 6.1 }\times\text{ 10}^7 \end{gathered}[/tex]