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In spoken English, 5^{2} is 'five to the power (of) two', 5^{6} is 'five to the power (of) six or' five to the sixth power ', etc. An alternative way of saying 5^{2}, 7^{2}, Etc. is 'five squared, seven squared', etc. An alternative way of saying 5^{3}, Etc. is 'five cubed', etc. In spoken English 5^{2 }is 'five to the power (of) minus two, 6^{5 }is six to the power (of) minus five or 'six to the minus fifth power', etc. The superscript above and to the right of the number is called the exponent. This arithmetical operation is called raising to a power or exponentiation or involution. The result of this operation is called the value of the power.
In spoken English, v64 is 'the square root of sixtyfour', and is 'the cube root of eight'. All other roots are expressed using ordinal numbers, e.g. is 'the fourth root of sixtyfour', and is the fifth root of one hundred and twentyfive. This operation is called extracting a root or evolution. The result of this operation is called the value of the root.
Ñommunication IN ACADEMIC AND PROFESSIONAL SPHERES  Guess the meaning of these international words. Check with your teacher or a dictionary  Student Dima Loboda  Student Nastya Savchuk  Task 1. Make sure you know the spoken form of the English number system  Task 3. Read the number of population in each city. Check with your partner or your teacher  Guess the meaning of these international words. Check with your teacher or a dictionary  DONETSK NATIONAL UNIVERSITY  The University of Sheffield  Read about the other university quickly. Are the following statements about both universities true or false. Correct the false statements 