Exercices de Anglais : Culture : the English-speaking world

We are studying three English-speaking countries: the United Kingdom, Australia, and Canada. Let $n$ be the number of countries. We know that the United Kingdom's capital is London, Australia's capital is Canberra, and Canada's capital is Ottawa. If each country has exactly $1$ official language commonly recognized in this context (English), calculate the total number of official languages $T$ using the formula $T = n \times 1$. What is the value of $n$ and $T$?

Complete the following sentences about English-speaking countries using your knowledge:

1. The capital city of the United Kingdom is ______.
2. The United States of America is divided into $50$ states. The number of states can be expressed as a power of ten: $5 \times 10^1$.
3. The currency of the United Kingdom is the Pound Sterling, whereas the currency of the United States is the ______.

Read the following clues to identify the correct country and fill in the missing population data. Clue 1: This country is the second largest in the world by total area. Clue 2: Its national symbol is the maple leaf. Clue 3: The population is approximately $38,000,000$ inhabitants. If the population density is defined as the number of people divided by the area in square kilometers (D = rac{P}{A}), and this country covers an area of approximately $10,000,000 \text{ km}^2$, calculate the population density in habitants per square kilometer.