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Date November 2016 Marks available 2 Reference code 16N.1.SL.TZ0.T_1
Level Standard Level Paper Paper 1 (with calculator from previous syllabus) Time zone Time zone 0
Command term Question number T_1 Adapted from N/A

Question

Let p = cos x + sin y w 2 z ,

where x = 36 ,   y = 18 ,   w = 29  and z = 21.8 .

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

[2]
a.

Write your answer to part (a)

(i)     correct to two decimal places;

(ii)     correct to three significant figures.

[2]
b.

Write your answer to part (b)(ii) in the form a × 10 k , where 1 a < 10 ,   k Z .

[2]
c.

Markscheme

* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.

cos 36 + sin 18 29 2 21.8    (M1)

 

Note:     Award (M1) for correct substitution into formula.

 

= 0.0390625    (A1)     (C2)

 

Note:     Accept 5 128 .

 

[2 marks]

a.

(i)     0.04     (A1)(ft)

(ii)     0.0391     (A1)(ft)     (C2)

 

Note:     Follow through from part (a).

 

[2 marks]

b.

3.91 × 10 2    (A1)(ft)(A1)(ft)     (C2)

 

Note:     Answer should be consistent with their answer to part (b)(ii). Award (A1)(ft) for 3.91, and (A1)(ft) for 10 2 . Follow through from part (b)(ii).

 

[2 marks]

c.

Examiners report

[N/A]
a.
[N/A]
b.
[N/A]
c.

Syllabus sections

Topic 1—Number and algebra » SL 1.1—Using standard form
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Topic 1—Number and algebra
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