Mr. Johnson wrote the number 245,670 in standard form. What is this number written in expanded form?

A.
200,000 + 40,000 + 5,000 + 600 + 7

B.
20,000 + 40,000 + 5,000 + 600 + 70

C.
200,000 + 40,000 + 5,000 + 600 + 70

D.
200,000 + 40,000 + 5,000 + 60 + 7