⁶⁰¹
+⁷⁸
⁶⁷⁹
601
+78
679
that's my answer
Answer:
601 in expanded form ⇒ 601 = 600 + 0 + 1
78 in expanded form ⇒ 78 = 70 + 8
Sum: 679
Sum in expanded form ⇒ 679 = 600 + 70 + 9
