Answer:
11
Step-by-step explanation:
Hope this helps you! 'v'
Answer:

Step-by-step explanation:

We can first look at the number that is higher.

16 is negative because it is the number that is higher and is being subtracted from 12.
So your answer is

Step 1: Put a decimal point at the end of the number: 2445000000.<span>
Step 2: Move the decimal point 9 spaces to the left: </span>2.445000000
Number: 2.445000000 aka 2.445<span>
Exponent: 9
Answer: 2.445 x 109</span>