Give your answer to part (a) correct to three significant figures.

Write your answer to part (a)

(i)     correct to two decimal places;

(ii)     correct to three significant figures.

Write down your answer to part (a) correct to the nearest integer.

Write down the length of the Amazon River in cm.

Write down your answer to part (a) correct to two decimal places;

Calculate $\sqrt[3]{\frac{p}{q}}$. Give your full calculator display.

Write down the radius of the planet.

The volume of the planet can be expressed in the form $\mathrm{\pi }\left(a\times {10}^k\right) {\text{km}}^3$ where $1\le a<10$ and $k\in \mathrm{\mathbb{Z}}$.

Find the value of $a$ and the value of $k$.

Calculate the volume of this hemisphere in cm³.

Give your answer correct to one decimal place.

Calculate James’s estimate of its volume, in ${\text{km}}^3$.

Write down the value of the iron in the form $a\times {10}^k$ where $1\le a<10 , k\in \mathrm{\mathbb{Z}}$.

Find the value of x.

Write your answer to part (b) in the form $a\times {10}^k$, where 1 ≤ $a$ < 10 , $k\in \mathbb{Z}$.

The actual volume of the asteroid is found to be $6.074\times {10}^6 {\text{km}}^3$.

Find the percentage error in James’s estimate of the volume.

Write down your answer to part (b) in the form a × 10^k , where 1 ≤ a < 10 and k ∈ $\mathbb{Z}$.

Find the length, in cm, of this line. Give your answer in the form a × 10^k , where 1 ≤ a < 10 and k ∈ $\mathbb{Z}$.

Write down your answer to part (a) correct to three significant figures.

Use this model to calculate the circumference of the Moon in kilometres. Give your full calculator display.

Calculate the number of people in Ottawa that speak both English and French.

Calculate the percentage of the population of Ottawa that speak English but not French.

Write your answer to part (b)(ii) in the form $a\times {10}^k$, where .

Calculate the value of $p$. Write down your full calculator display.

Write your answer to part (b)(ii) in the form $a\times {10}^k$, where .

Find the distance from the Earth to Polaris in millions of km. Give your answer in the form $a\times {10}^k$ with and $k\in \mathbb{Z}$.

Calculate the time, in minutes, it takes for light from the Sun to reach the Earth.