What is the number in standard form?

​ 5.8×10^-10

​​0.00000000058​​
A: 0.00000000005008
B: 0.0000508​​
C: 0.00000005008​​
D: 0.0000000508
​​E: 0.0000058


please help this is a unit test due today. thank you