\begin{tabular}{l} ¿Cuál es el par de números que representa una analogía numérica similar a la siguiente? \\ \hline \( 9: 81 \) \\ \hline \( 7: 350 \) \\ \hline \( 17: 289 \) \\ \( 8: 16 \) \\ \( 13: 187 \) \\ \( 9: 90 \) \\ \hline\end{tabular}

2 calculators cost \( £ 10.40 \) 3 pens cost \( £ 3.54 \) Jude wants to buy 30 calculators and 30 pens. He only has \( £ 200 \) Does Jude have enough money to buy 30 calculators and 30 pens? You must show how you get your answer.

The temperature in Glasgow one day was \( -4^{\circ} \mathrm{C} \) The next day the temperature was \( 3^{\circ} \mathrm{C} \) lower. Work out the new temperature.

10. Risolvi le seguenti Equivalenze per Lunghezza, Area e Volume: \( 2.345^{\circ} 000 \mathrm{~mm}=\ldots \) dam \( \quad 880 \mathrm{hm}=\ldots \) \( 0,0000321 \mathrm{~km}^{2}=\ldots \) \( \mathrm{m}^{2} \quad 27,48 \mathrm{dm}^{2}=\ldots \) \( 0,01768 \mathrm{~m}^{3}=\ldots \) \( \mathrm{cm}^{3} \quad 87^{\circ} 520^{\circ} 000 \mathrm{~mL}=\ldots \)

Round \( 5.34 \) to the nearest tenth.

Ava wants to buy as many chocolate bars as she can. She has \( £ 5 \) to spend on chocolate bars. Each chocolate bar costs \( £ 0.35 \) Work out how much change Ava will get from \( £ 5 \).