Answers

2016-06-16T19:14:44+08:00
1. 1 __ __ __ 256 
256/1 = 256. Find its fourth root because there are 4 spaces. 
The fourth root of 256 is 4. 
So the geometric means are 4, 16 and 64. 
4x4x4x4= 256
16x4x4=256
64x4=256
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