Q24:
A glass was filled with 10 ounces of water, and 0.01 ounce of the water evaporated each day during a twenty-day period. What percent of the original amount of water evaporated during this period?
A. 0.002%
B. 0.02%
C. 0.2%
D. 2%
E. 20%
Answer: D
是用等比数列死算出来吗？ | 
