Expressions involving the sum or three or more rational numbers

sum of two rational numbers is

Express the numbers 0.bar(3178) in the form of rational numbers a/b.

Express the following as the power of a rational number. (-32)/(3125)

State, in each case, whether the given statements is ture or false. (i) The sum of two rational numbers is rational. (ii) The sum of two irrational numbers is irrational. (iii) The product of two rational numbers is rational. (iv) The product of two irrational numbers is irrational. (v) The sum of a rational number and irrational number is irrational. (vi) The product of a nonzero rational number and an irrational number is a rational number. (vii)Every real number is rational or irrational. (viii) Every number is either rational or irrational. (ix) pi is irrational and (22)/(7) is rational.

The sum of four consecutive even numbers is 23 more than the sum of three consecutive odd numbers. The difference between the lowest even and the highest odd number is 3. Find the sum of the four consecutive even number.

State whether the statements given are True or False. Sum of two rational numbers is always a rational number.

Which one of the following statement is true? The sum of two irrational numbers is always an irrational number The sum of two irrational numbers is always a rational number The sum of two irrational numbers may be a rational number or irrational number The sum of two irrational numbers is always an integer

If the sum of three numbers is 10 and the sum of their squares is 38, find the sum of the products of the three numbers taking two at a time.

Insert three rational numbers between 3 and 5