Yes, 0.5555 is a rational number.
The decimal 0.5555 is a rational number. It is a terminating decimal since it does not end with an ellipsis. All terminating decimals are rational numbers because they can be converted to fractions or ratios. For example, 0.5555 is equivalent to the fraction 5555/10,000.
The decimal 0.5 is a rational number because it can be expressed as a simple fraction (1/2), and it terminates. It does not satisfy conditions for irrational numbers as its decimal form does not go on indefinitely.
Identifying Rational and Irrational Numbers
All repeating decimals are rational numbers. They can be written as fractions. For example, the repeating decimal 0.252525... is equivalent to the fraction 25/99 and the repeating decimal 0.6666... is equivalent to the fraction 2/3. Any number which can be written as a fraction is a rational number.
For 7.47777...: This is a repeating decimal (the digit '7' repeats). Repeating decimals can be expressed as fractions, so this number is rational.
For example, 0.05 is a rational number because it can be expressed as . So, the rational number is 0.05 and the irrational number is approximately 0.07071 (since 0.005 ≈ 0.07071 ).
Answer: Yes, 0.333333333... (repeating) is a rational number.
3.141141114 … is a nonterminating m norepeating decial, so, it is irrational.
The square root of 225 is a rational number since the value of the square root of 225 is equal to 15, which is a whole number.
0/5: This is a fraction where the numerator is 0 and the denominator is 5. Since the denominator is not zero, this is a rational number. 0/-5: This is a fraction where the numerator is 0 and the denominator is -5. Again, the denominator is not zero, so this is also a rational number.
Hence we get the answer as 0.5 is greater than 0.05. Note: The first thing you need to look at is the digit number in each decimal.
Most real numbers (points on the number-line) are irrational (not rational). The rational numbers are those which have repeating decimal expansions (for example 1/11=0.09090909..., and 1=1.000000... =0.999999...).
5.25 can be written as 525/100. Since it can be written as a ratio and fraction, it is a rational number.
It is the ratio of a circle's circumference to its diameter which is always constant. pi (π) approximately equals 3.14159265359... and is a non-terminating non-repeating decimal number. Hence 'pi' is an irrational number.
However, the number 5.676677666777... does not have a repeating pattern, so it cannot be expressed as a fraction. The number 5.676677666777... is an example of an irrational number.
pi has infinite digits, so there has never been a 100% accurate calculation with a circle and there never will be.
Solution:i 43.123456789 Since this number has a terminating decimal expansion it is a rational number of the form /and q is of the form 2×5 i.e. the prime factors of q will be either 2 or 5 or both.
3 =1.73205… is a non-terminating decimal number which is irrational because it cannot be expressed as a fraction in the form ba where a and b are integers.
Sal proves that the square root of 2 is an irrational number, i.e. it cannot be given as the ratio of two integers. Created by Sal Khan.
0.04 =4/100 =2/10=0.2 (a terminating decimal, hence rational).
So 1 / 0.05 is 20, then 0.05 goes into 1, 20 times. Multiplication is repeated addition, so if 0.05 goes into 1, 20 times, then 0.05 * 20 is 1 because you simply added it repeatedly 20 times.
Answer: 7/10 in decimal form is 0.7
Let's convert 7/10 into decimal. Explanation: The decimal form of 7/10 is given by dividing 7 by 10. The decimal point of a decimal number moves by one places towards the left if we divide it by 10.