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Answers
1.Any number that cannot be expressed as a ratio of integers (fraction) is called an irrational number, as in "not rational". For example, we have that 2=21 is a rational number, as is 0.3¯33=13.
2.The method used is called scientific notation.
3.Rational Numbers: Any number that can be written in fraction form is a rational number. This includes integers, terminating decimals, and repeating decimals as well as fractions. An integer can be written as a fraction simply by giving it a denominator of one, so any integer is a rational number.
5.Note: a cube root is one of three equal factors of a number, for example, 2 is the cube root of 8 (that is, 2*2*2=8).Aug 21, 2016
6.
Term: perfect cube Definition: A rational number whose cube root is a whole number. 27 is a perfect cube because its cube root is
7.power is a product of repeated factors. The base of a power is the common factor. The exponent of a power indicates the number of times the base is used as a factor
4.
The symbol is √ which always means the positive square root.
8.expression that is either a single number, a variable, or the product of a number and one or more variables with whole number exponents. ... the least integer that is a multiply of two or more numbers. The lcm of two or more monomials is the product of the coefficients' LCM and the greatest power of all variable factors.
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An expression that represents repeated multiplication of the same factor is called a power. The number 5 is called the base, and the number 2 is called the exponent. The exponent corresponds to the number of times the base is used as a factor.
10.Any number raised to the power of one equals the number itself. Any number raised to the power of zero, except zero, equals one. This multiplication rule tells us that we can simply add the exponents when multiplying two powers with the same base.
