What is the 2010th letter in the following sequence: abcdedcba.

answer asap. this is due tomorrow.

B

Step-by-step explanation:

The sequence is ABCDEDCBABCDEDCBABCDEDCBA....

⇒The main sequence is the repitition of the sub-sequence ABCDEDCB

2010 when divided by 8 gives a quotient of 251 and a remainder of 2

251×8 = 2008

This means that after the sub-sequence ABCDEDCB is repeated for 251 times, it's last letter B is the letter of the main sequence

Even after that, the sub-sequence ABCDEDCB keeps repeating and the letter in the main sequence is the letter of the sub-sequence ABCDEDCB, that is "B"

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

positive

step-by-step explanation:

the quadrant is facing upwards