2.63*10^11
0.978*10^11
1.789*10^11
--------------
5.397*10^11
Saudi Arabia has proven oil reserves of
2.63 1011 barrels. Kuwait has proven
oil reserves of 9.78 1010 barrels.
Canada has proven oil reserves of
1.789 1011 barrels. What are the
combined proven oil reserves of the
three countries?
1 answer