Recall that with base-ten blocks : 1 long = 10 units, 1 flat = 10 longs and 1 block = 10 flats. Make all possible changes to obtain the fewest number of pieces, and write the corresponding number in the given base in the following. A. Fifty flats in base ten B. Thirty flats in base eleven
A. Fifty flats in base ten is equal to ___ units
B. Thirty flats in base eleven is equal to __ units