Rational Numbers (Definition)

Q.

Question 3 (i)
Is 43.123456789 rational or not. If it is rational, and of the form $\frac{p}{q}$, what can you say about the prime factors of q?

Q.

Write each of the following rational numbers in the standard form.

$\frac{30}{-48}$

Q.

Write each of the following rational numbers in the standard form.

$\frac{21}{27}$

Q.

Write each of the following rational numbers in the standard form.

$\frac{391}{-207}$

Q.

The rational number in its standard form is

1. $\frac{2}{-7}$

2. $\frac{-2}{-7}$

3. $\frac{-2}{7}$

4. none of these