1,219,326,311,126,352,690
1.52415788 × 1018
2222222211
To round to the nearest 100, look at the 10s digit to decide whether to round up or down. The 10s digit of 6963 is 6 which is 5 or more, so round up: 6963 → 7000 to the nearest hundred.
1,234,567,890 multiplied by 9 is 11,111,111,010.
The answer is 2,469,135,780.
This is a numeric palindrome -- spelled (or in this case numbered) the same way forward and backward.
1.52415788 × 1018
2222222211
To round to the nearest 100, look at the 10s digit to decide whether to round up or down. The 10s digit of 6963 is 6 which is 5 or more, so round up: 6963 → 7000 to the nearest hundred.
234,567,890 multiplied by 1,234,567,890 is 289,589,985,019,052,100.
1,234,567,890 multiplied by 9 is 11,111,111,010.
Divide the first number into the second number for the answer.
The answer is 2,469,135,780.
1234567890 x 9876543210 = 12193263111263526900
1234567890
2469135780
zero