Answer: .0801 is what I got because the way I understand it 10^(-2) + 8 =8.01 and you said round it to the coefficient to 2 decimal places. so I moves the 8 over 2 times because 8 is the coefficient and I got .0801
-1m/s. If m/s went down by 10 in 10 seconds, then it would be going down by 1 per second. sorry if this is a really complicated physics thing and not a math problem