4MA0 Higher June 2011 Paper 4 Q13

EdexcelHigherOld spec4 marksStandard Form

13 The table gives the diameters, in metres, of four planets.

Planet	Diameter (metres)
Mercury	\(4.88 \times 10^6\)
Venus	\(1.21 \times 10^7\)
Earth	\(1.28 \times 10^7\)
Mars	\(6.79 \times 10^6\)

(a) Which planet has the largest diameter? (1)

(b) Write \(6.79 \times 10^6\) as an ordinary number. (1)

(c) Calculate the difference, in metres, between the diameter of Venus and the diameter of Mercury.
Give your answer in standard form. (2)

Mark scheme (a)

Scheme	Marks
Earth	B1
	(1)

Notes

B1: or \(1.28 \times 10^7\)

Apart from questions 5b, 8, 15d, 20b, 21b, 23, 24b (where the mark scheme states otherwise) the correct answer, unless clearly obtained by an incorrect method, should be taken to imply correct working.

Scheme	Marks
\(1.21 \times 10^7 - 4.88 \times 10^6\) oe	M1
\(7.22 \times 10^6\)	A1
	(2)
	(Total 4 marks)