Question

pls tell this fast.........​

Answer 1

Q 18.

11/8 = 1.375

13/8 = 1.625

So, we can say that

11/8 and 13/8 are the rational numbers between 1 and 2

Q 19.

$\sf \rightarrow \quad {2}^{ \frac{1}{3} } \cdot {2}^{ \frac{1}{5} } \\ \\ \sf \rightarrow \quad {2}^{ \frac{1}{3} + \frac{1}{5} } \qquad \bigg( \: \because \: {a}^{m} \cdot {a}^{n} = {a}^{m + n} \: \bigg) \\ \\ \sf \rightarrow \quad {2}^{ \frac{8}{15} }$

Answer 2

$\huge\star\underbrace{\mathtt\red{⫷❥ᴀ᭄} \mathtt\green{n~ }\mathtt\blue{ §} \mathtt\purple{₩}\mathtt\orange{Σ} \mathtt\pink{R⫸}}\star\:$

1) $\sf{1\: and\: 2}$

2) $\sf{(2)\dfrac{8}{15}}$