Записать формулу \( n \)-го члена арифметической прогрессии: \( \begin{array}{ll}\text { 1) } 1,6,11,16, \ldots ; \\ \text { 3) }-4,-6,-8,-10, \ldots ; & \text { ј) } 25,21,17,13, \ldots ; \\ \text { 4) } 1,-4,-9,-14 \ldots\end{array} \)

Find the difference. 1. \( 4 \frac{1}{2}-2 \frac{3}{4}=\square \)

Question 3 (1 point) A math teacher has 15 bottles of glue for students to use for their journals. Each student needs a \( 1 / 3 \) of a bottle to glue in their new page of notes. How many students can glue in their notes? a \( 15 / 3 \) b 3 d d d

3. Expresar los siguientes números en notación decimal: a) \( 2,33 \times 10^{4} \)

\( \left. \begin{array} { l } { 5 } \\ { 3 } \end{array} \right. \times \frac { 6 } { 8 } \times ( \frac { - 2 } { 3 } ) \)

Question 3 (1 point) A math teacher has 15 bottles of glue for students to use for their journals. Each student needs a \( 1 / 3 \) of a bottle to glue in their new page of notes. How many students can glue in their notes? a \( 15 / 3 \) b 3 d d d