Answer:
5 * 10^10
Step-by-step explanation:
(9 * 10^10) - (4 * 10^10)
If the * 10^x are both the same then just take the numbers away.
a = negative 16 and b = negative 4
Answer:
664434444455667765433344455576
The answer is 2.76 because u round it 2 places to the right
