The formula to find density is Mass/Volume
We have
Density =

Volume =

Hence
Mass = 7.8×10504 = 81931.2 gram
Answer:
A.
Step-by-step explanation:
9³
Step-by-step explanation:
nine to the third power or 9-cubed is the answer b/c multiply the number "9" by itself, three times.
Therefore, 9*9*9" is equal to: 9³