Question

What is the expanded form of this number?

509.307


(5×100)+(9×1)+(3×110)+(7×11,000)


(5×100)+(9×10)+(3×110)+(7×11,000)


(5×100)+(9×10)+(3×1100)+(7×11,000)


(5×100)+(9×1)+(3×1100)+(7×11,000)

Answer 1

i think the answer is A

Explanation:

i just think it's a