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When do you need to approximate an irrational number with a rational value?
Wiki User
∙ 8y ago
If the simplified form of an expression contains an irrational number and a numerical evaluation is required then it is necessary to use a rational approximation.
Wiki User
∙ 7y ago
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Are repeating decimals an irrational number?
A repeating decimal is a rational number. Its value is(the repeating set of digits)/(as many 9s as there are digits above).
What have you observed from the exponents?
That they can have any value: integer, rational, irrational or complex.
Are radical expressions irrational?
If the value applied in the radical is not a perfect square, it is irrational. 25; 400; and 625 are perfect squares and are rational when applied in a radical.
What is the exact value of cos 70 degrees?
The exact value is an irrational number, and can't be written on paper with digits.0.34202 is less than 0.000042 percent wrong.Cos(70 deg) is an irrational number and it is impossible to give its exact value.
What is the decimal expansion of an irrational no. is?
It is the decimal approximation to the value of the irrational number.
What is the sum of a rational number and irrational number?
The value of the sum depends on the values of the rational number and the irrational number.
When is it possible for the product of a rational and an irrational number to result in a rational value?
When the rational number is 0.
Can an irrational number become a rational number?
How would you do that ?? You'd have to change the value of the number. As long as the irrational number keeps its original value, it's an irrational number.
Is a rational number is a rational expression?
Any number that can be expressed as a fraction is a rational number otherwise it is an irrational number.
Which number is irrational -5.72?
There are no irrational numbers in the value -5.72. All of the components of the value are represented by rational numbers. An irrational number is any number that cannot be represented by a fraction a/b where a and b are integers. -5.72 itself is rational as it can be represented by -572 / 100. The digits of the value are also rational as they can be represented as -5/1, 7/1 and 2/1, respectively.
Is a logarithm an irrational number?
Usually, but not necessarily. A logarithm that is not an integer-value is irrational. For example log10100 = 2 which is a rational number. log1012 = 1.0791812460476... which is an irrational number.
Is the change in the value of an account when given to the nearest dollar a irrational number?
No, it is rational.
Is 18 rational or irrational?
irrational
Is -3 a real number rational irrational integer whole or a natural number?
It is a real rational negative integer number whose value is -3
Is six a rational or irrational number?
A rational number is an integer (a whole number) or any number that can be expressed as a fraction. An irrational number is one that cannot be expressed as a fraction. The best known irrational number is pi, which is close to but not quite equal to 7/22. All representations of pi are an approximation of the real value. So 6 is a rational number
Does an irrational number times an irrational number equal an irrational number?
Not always. For example sqrt(2) and 1/sqrt(2) are both irrational, but their product is the rational number 1.
Is negative 34 absolute value rational or irrational?
rational
