Patricia the Pig built a very strong house of steel. The steel-house can withstand wind speeds of up to 4928 km per hour. Choose
the best approximation of the highest wind speed that Patricia's steel-house can withstand. Choose 1 answer. A. 5•10^3 km per hour. B. 5•10^4 km per hour.
If the rightmost digit to be removed is more than 5, the preceding number is increased by one.
If the rightmost digit to be removed is less than 5, the preceding number is not changed.
If the rightmost digit to be removed is 5, then the preceding number is not changed if it is an even number but it is increased by one if it is an odd number.