Select the appropriate sign:
990,090□999,000
To solve this problem, we'll compare the numbers 990,090 and 999,000 digit by digit from left to right.
- Step 1: Start at the hundred-thousands place:
- The first number has 9, and the second number also has 9, so they are equal.
- Step 2: Move to the ten-thousands place:
- The first number has 9, and the second number also has 9; still equal.
- Step 3: Move to the thousands place:
- The first number has 0, and the second number has 9; 9 is greater than 0.
Since the thousands digit (0 vs 9) determines the comparison, we conclude that 999,000 is greater than 990,090.
Therefore, the correct comparison is 990,090 < 999,000, so the appropriate sign is <.