write 9040 in standard index form

In standard form: 5. 3.2 x 10^3 7. 4.1 x 10^8 9. Write the average weight of a blue whale,...

Determine if 2.2510=?940 , 2.510=?9040, or 2.2512=?9040 is a proportion.(1 point) Responses...

Determine if 2.2510=?940 , 2.510=?9040 , or 2.2512=?9040 is a proportion.