Question

If 42X5 is a multiple of 9 and X is a digit then find the value of X.

9. What is the multiplicative identity of rational number.

10. Write the reverse number of 462.

11. The additive Identity of rational number is___.

12. The product of two rational numbers is always a___.​

Answer 1

Answer:

8) 0

9) q/p

10) 264

11) - p/q

12) Rational number

Step-by-step explanation:

hope this helps you