Could you explain operations with scientific notation using this example. 5 × 10³ + 4.3 × 10⁴ i dont understand how to solve it all . if you explain each step that would be great.

Explanation:

The scientific notation:

where

and k is integer.

We have the example:

You can write the numbers in a "normal" form:

Make the sum:

And next write it in the scientific notation:

You can add numbers in scientific notation if the power of tens in both number is the same.

Therefore you must convert the first number:

Now, you can make the sum:

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.