Question

the decimal form of some real numbers are given below in each case decide whether the number is rational or not if its rational and expressed in p/q form what can you say about the prime factors of q
1)43.123456789
2)0.120120012000120000​

Answer 1

Answer:

the first number is rational.

the prime factors of q will be in the power of 2 and 5

second no. is irrational.

so, the prime factors of q will not be in the power of 2 and 5