(a(i))[2]
Arrange the distances in order, beginning with the shortest.
(a(ii))[2]
Show that $k = 6.11$ correct to 2 decimal places.
(b)[2]
Find the distance travelled by the satellite in 95 minutes.
(c)[2]
Change this speed into m/s.
Mathematics 0580 · IGCSE · Standard form
Standard form — practice question
The following give the heights above the Earth’s surface of five satellites, A, B, C, D and E. Each distance is measured in kilometres.
A = 35 800
B = $7.8 \times 10^2$
C = $1.5 \times 10^6$
D = 535
E = $2 \times 10^4$
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$535,\;7.8\times10^2,\;2\times10^4,\;35800,\;1.5\times10^6$” …
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