add 7.3*10^7.wich is the correct sum

The correct sum of 7.3 * 10^7 is 73,000,000.

To add 7.3 * 10^7, you need to express both the numbers in the same form.

7.3 * 10^7 can be written as 73,000,000 (since 10^7 means multiplying the number by 10 seven times).

Now, to find the sum, you can add 7.3 * 10^7 + 73,000,000, which equals 146,000,000.

So, the correct sum is 146,000,000.

To add the numbers 7.3 * 10^7, you can multiply 7.3 by 10 raised to the power of 7. Here's how to calculate it:

Step 1: Multiply 7.3 by 10.
- 7.3 * 10 = 73

Step 2: Raise the result to the power of 7.
- 73^7 ≈ 3,309,328,313,093

Therefore, the correct sum of 7.3 * 10^7 is approximately 3,309,328,313,093.