Write the denominators of above rational numbers as the product of primes.

If the denominators of the above simplest rational numbers has no prime divisors other than 2 and 5 what do you observe?

Write the reciprocal of a negative rational number.

Fill in the blank:If one of the prime factor of denominator of a rational number. is 7,then the no.is __

Write any 4 rational numbers?

Write the denominator of the following rational numbers in 2^n 5^m form where n and m are non-negative integers and then write them in their decimal form: 7/25

Write the denominator of the following rational numbers in 2^n 5^m form where n and m are non-negative integers and then write them in their decimal form: 51/64

Write the denominator of the following rational numbers in 2^n 5^m form where n and m are non-negative integers and then write them in their decimal form: 14/25

Write the denominator of the following rational numbers in 2^n 5^m form where n and m are non-negative integers and then write them in their decimal form: 80/100

Write any four rational numbers.

Can you write the set of rational numbers in roster form?