(1)某种细胞30min后1变2,问3h后...
(2)一张0.1mm的纸折20次后能超过90m吗?
(1)某种细胞30min后1变2,问3h后...
(2)一张0.1mm的纸折20次后能超过90m吗?
(1)2^6=64
(2)0.1*2^20=0.1*1024*1024/1000=104.8576米
(1)∵3h=30min X 6
则3h后,细胞个数n=1X2^6=128
(2)折20次后,纸的厚度d=0.1 X 2^20=104857.6mm=104.8576m > 90m
答案是能
(1)64个
(2)超过90M