Answer:
8342
Step-by-step explanation:
3965 + 4387
3965
+4387
Add 5 and 7
12
The 1 in ten becomes a digit in the tens place
Add 1, 6, and 8
15
The 1 in ten becomes a digit in the hundreds place
Add 1, 9, 3
13
The 1 in ten becomes a digit in the thousands place
Add 3, 4, and 1
8
Answer:
8342
