Which expressions show the expanded form for 40.507?
Choose all answers that are correct.
A.
4 × 10 + 0 × 1 + 5 × 1/10 + 0 × 1/100 + 7 × 1,000
B.
4 × 10 + 5 × 1/100 + 7 × 1/1,000
C.
4 × 10 + 0 × 1 + 5 × 1/1 + 0 × 1/10 + 7 × 1/100
D.
4 × 10 + 5 × 1/10 + 7 × 1/1,000
please help and im so sorry if its confusing