The table shows some information about the five Great Lakes in North America.
Surface area (m²)
2.57 × 10¹0
6.01
10¹⁰
5.80 × 10¹⁰
1.91 × 10¹0
8.21 x 10¹0
Name
Lake Erie
Lake Huron
Lake Michigan
Lake Ontario
Lake Superior
(a) Work out the total surface area of the five Great Lakes.
Give your answer in standard form.
1
Volume of water (m³)
4.80 × 10¹¹
3.52 × 10¹2
4.87 x 10¹2
1.64 × 10¹2
1.22 x 10¹3
Loch Ness is the largest lake in Scotland.
The lake has a volume of water of 7.45 × 10 m³
The volume of water in Lake Superior is k times the volume of water in Loch Ness.
(b) Work out the value of k.
Give your answer correct to 3 significant figures.
(2