10. Halla el MCM Y MCD. \( 200-400-800 \)

1.750 kilometres = how many metres? \( \begin{array}{lll}\text { (1) } 1750 & \text { (2) } 175 & \text { (3) } 17.5\end{array} \)

7. \( \frac{2}{3}, \frac{1}{4} \) and \( \frac{1}{6} \) are three given rational numbers. Answer the following questions, a) List out the terminating and non-terminating recurring decimals of these rational numbers. b) What is the multiplicative identify of \( \frac{2}{3} \) ? c) Use the given rational numbers to verify the associative properties of addition and multiplication of rational numbers.

Birinchi kuni butun ish rejasining \( \frac{1}{3} \) qismi bajarildi. Ikkinchi kuni esa birinchi kunda bajarilgan ishning \( \frac{1}{4} \) qismicha ko'p ish bajarilgan bo'lsa, shu ikki kunda ish rejasining qanday qismi bajarilgan?

Work out \( \left(4.2 \times 10^{11}\right)-\left(7 \times 10^{9}\right) \)

0.013 hectogram = how many decigram