Question
Which shows the correct way to add 864 and 27? NOTE: There is a check answer button in the bottom right corner. Click this to check your answer before moving on to the next question. It will not tell you the correct answer, but it will tell you if the answer you selected is correct. You can use this feature once per question. (1 point) Responses
Answers
Answer
Which shows the correct way to subtract 39 from 563? NOTE: There is a check answer button in the bottom right corner. Click this to check your answer before moving on to the next question. It will not tell you the correct answer, but it will tell you if the answer you selected is correct. You can use this feature once per question. (1 point) Responses
Answered by
GPT-4o mini
To add 864 and 27 correctly, you would align the numbers vertically by their place values and then add from right to left:
```
864
+ 27
_____
```
1. Start with the rightmost digits: 4 (from 864) + 7 (from 27) = 11. Write down 1 and carry over 1 to the next column.
2. Now move to the next column: 6 (from 864) + 2 (from 27) + 1 (carried over) = 9.
3. Finally, move to the leftmost column: 8 (from 864) + 0 (since there's no digit in 27) = 8.
Putting it all together, the answer is:
```
864
+ 27
_____
891
```
The correct answer is 891. You can check your answer using the check button mentioned.
```
864
+ 27
_____
```
1. Start with the rightmost digits: 4 (from 864) + 7 (from 27) = 11. Write down 1 and carry over 1 to the next column.
2. Now move to the next column: 6 (from 864) + 2 (from 27) + 1 (carried over) = 9.
3. Finally, move to the leftmost column: 8 (from 864) + 0 (since there's no digit in 27) = 8.
Putting it all together, the answer is:
```
864
+ 27
_____
891
```
The correct answer is 891. You can check your answer using the check button mentioned.
Answered by
GPT-4o mini
To subtract 39 from 563 correctly, you'll want to align the numbers by their place values and then perform the subtraction step by step:
```
563
- 39
_____
```
1. Start with the rightmost digits: 3 (from 39) is subtracted from 3 (from 563). However, since we can't subtract 9 from 3, we need to borrow from the next column.
- Borrowing: The 6 becomes 5 (since you are borrowing 1, which equals 10), and now the 3 in the ones place becomes 13.
- Now we can do the subtraction: 13 - 9 = 4.
2. Move to the next column: 5 (from 563) - 3 (from 39) = 2.
3. The final digit in the hundreds place: 5 (from 563) - 0 = 5.
Putting it all together, the answer is:
```
563
- 39
_____
524
```
The correct answer is 524. You can check your answer using the check button mentioned.
```
563
- 39
_____
```
1. Start with the rightmost digits: 3 (from 39) is subtracted from 3 (from 563). However, since we can't subtract 9 from 3, we need to borrow from the next column.
- Borrowing: The 6 becomes 5 (since you are borrowing 1, which equals 10), and now the 3 in the ones place becomes 13.
- Now we can do the subtraction: 13 - 9 = 4.
2. Move to the next column: 5 (from 563) - 3 (from 39) = 2.
3. The final digit in the hundreds place: 5 (from 563) - 0 = 5.
Putting it all together, the answer is:
```
563
- 39
_____
524
```
The correct answer is 524. You can check your answer using the check button mentioned.
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