Subtract 1982 from 2390.

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Multiple Choice

Subtract 1982 from 2390.

Explanation:
Subtracting these numbers uses borrowing in the ones place when needed. Align the digits and work from right to left: Ones: 0 is smaller than 2, so borrow 1 from the tens place. The ones place becomes 10 and the tens place decreases to 8. Then 10 − 2 = 8. Tens: 8 − 8 = 0. Hundreds: 3 is smaller than 9, so borrow 1 from the thousands place. The hundreds becomes 13 and the thousands becomes 1. Then 13 − 9 = 4. Thousands: 1 − 1 = 0. Put the digits together: 0, 4, 0, 8, which is 408. Quick check: 2390 − 1982 = (2390 − 2000) + (2000 − 1982) = 390 + 18 = 408. The difference is 408.

Subtracting these numbers uses borrowing in the ones place when needed. Align the digits and work from right to left:

Ones: 0 is smaller than 2, so borrow 1 from the tens place. The ones place becomes 10 and the tens place decreases to 8. Then 10 − 2 = 8.

Tens: 8 − 8 = 0.

Hundreds: 3 is smaller than 9, so borrow 1 from the thousands place. The hundreds becomes 13 and the thousands becomes 1. Then 13 − 9 = 4.

Thousands: 1 − 1 = 0.

Put the digits together: 0, 4, 0, 8, which is 408. Quick check: 2390 − 1982 = (2390 − 2000) + (2000 − 1982) = 390 + 18 = 408. The difference is 408.

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