How to do the fourth question on page 4 of the third grade math exercise book of Shaanxi Normal University?
To be accurate to 10,000 digits means to put a decimal point after 10,000 digits, keep the digits behind, and omit the zero at the end; In the same way, accurate to 1 100 million digits means to point the decimal point after 1 100 million digits, keep the digits, and finally go to 0. \ r \ nSo the answer is: \ r \ nIndian Ocean 74917000 74917000.7491700 million \ r \ nPacific Ocean17868200017880. N Arctic Ocean1310101010/010/065438