Returning Arrays

fn main(){
  let mut arr:[i32; 5] = [2,4,6,8,10];
  multiply(arr);
  println!("The array is : {:?}", multiply(arr));
}
fn multiply (mut arr: [i32 ; 5]) -> [i32 ; 5]{
  arr[2] = 90;
  for mut i in 0..5 {
      arr[i] = arr[i] * arr[2];
  }
  return arr;
}