参考：What is the pronunciation of 2 x 10-8?
103 is read as “10 to the third power” or “10 cubed.” It means 10 • 10 • 10, or 1,000.
82 is read as “8 to the second power” or “8 squared.” It means 8 • 8, or 64.
54 is read as “5 to the fourth power.” It means 5 • 5 • 5 • 5, or 625.
b5 is read as “ b to the fifth power.” It means b • b • b • b • b. Its value will depend on the value of b.
负指数幂
5-4 is read as “5 to the minus/negative fourth power.”
标签：10,读法,power,means,read,value,英文,827,fourth From： https://www.cnblogs.com/alex-bn-lee/p/17235218.html