What is a prime number?

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

30. Барои кашонидани 200 тона нафт чанто систернаи рохи охани хачми хар кадоме 50 \( \mathrm{~m}^{3} \), лозим мешавад? А) 1 ; Б) 2 ; В) 3 ; Г) 4 ; Д) 5

0.013 hectogram = how many decigram

2) Clay takes private soccer lessons every 9 days and piano lessons every * 3 points 6 days. In how many days will she have both piano and soccer on the same day? 2 6 18 54

2) Clay takes private soocer lessons every 9 days and piano lessons every * 3 pointa 6 days. In how many days will she have both piano and soccer on the same day?