(2)4^(3/2)=8; 3^ 1=3; 7^0= 1; 2^(- 1/3)= 1/8;
(3)2; 1/2; -7; - 1;
(4)x=2^4= 16; x = 8; x = 1/4; x =√ 10/ 10;
(5)0. 12 0.38
0.90 0.73
1.0 0.66
The common logarithmic value of positive numbers less than 10 is less than 1, and the logarithmic value increases with the increase of real numbers.