Question

the decimal expansion of 31/2^2 x 5 will terminate after how many places ?

Answer 1

Answer:

See the attachment..........

Answer 2

Answer:

Solution:-

$\frac{31}{ {2}^{2} \times 5} \\ \\ = \frac{31}{4 \times 5} \\ \\ = \frac{31}{20} \\ \\ = 1.55$

So,the decimal expansion will terminate after 2 places