Yes, it will decrease your fuel economy slightly.
Yes
43.28%
That depends on the vehicle you're driving. There'll be a significant difference between the mileage you'd get from a Prius and the mileage you'd get from a Heavy Goods Vehicle.
Up to 2 percent. http://www.fueleconomy.gov/feg/driveHabits.shtml
Based on the condition of the vehicle and the mileage on the vehicle, you can get a Chevrolet Corvette for as low a price as $100. However, you will most likely need to do maintenance on a cheaper priced vehicle.
100 kms
It will the same mileage of the new cluster you installed. mileage recorded on the cluster not on the ECU I'm sure about this 100% It will the same mileage of the new cluster you installed. mileage recorded on the cluster not on the ECU I'm sure about this 100% It will the same mileage of the new cluster you installed. mileage recorded on the cluster not on the ECU I'm sure about this 100%
The answer depends on what it is that you are trying to reduce. 49/100 cannot be reduced but 50/100 = 1/2.
There are far more resources than you need, so you can upgrade all items without struggling to gather 100% of the resources.
reduce fraction for 56.25 percent = 9/1656.25% = 56.25/100 * 100/100 = 5625/10000 in fraction = 9/16
46/100 = 13/25
10/100 = 1/10