Use of a calculator

Mark scheme and answers · Total marks: 60

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Question 1 [2 marks]

(a) 5.333720085566
(b) 5.33

Mark scheme
  • A [1] — cao 30°

Accept algebraically equivalent correct forms.

Question 2 [2 marks]

(a) 1.41022253409
(b) 1.41

Mark scheme
  • A [1] — cao x = 4.125

Accept algebraically equivalent correct forms.

Question 3 [2 marks]

(a) 2.473440265814
(b) 2

Mark scheme
  • A [1] — cao 9

Accept algebraically equivalent correct forms.

Question 4 [2 marks]

(a) 26.677385652715
(b) 26.7

Mark scheme
  • A [1] — cao 9.0 × 10⁵

Accept algebraically equivalent correct forms.

Question 5 [2 marks]

(a) 5.245286284952
(b) 5.245

Mark scheme
  • A [1] — cao 32

Accept algebraically equivalent correct forms.

Question 6 [2 marks]

(a) 5.070260407994
(b) 5.07

Mark scheme
  • A [1] — cao 144

Accept algebraically equivalent correct forms.

Question 7 [2 marks]

(a) 26.471000402026
(b) 26.5

Mark scheme
  • A [1] — cao 21.6

Accept algebraically equivalent correct forms.

Question 8 [2 marks]

(a) 0.265330140831
(b) 0.27

Mark scheme
  • A [1] — cao 340

Accept algebraically equivalent correct forms.

Question 9 [2 marks]

(a) 35.537954344461
(b) 36

Mark scheme
  • A [1] — cao 7.7

Accept algebraically equivalent correct forms.

Question 10 [2 marks]

(a) 11.588594398843
(b) 11.6

Mark scheme
  • A [1] — cao 43.0 cm²

Accept algebraically equivalent correct forms.

Question 11 [2 marks]

(a) 1.043622046002
(b) 1.04

Mark scheme
  • A [1] — cao 10.6667

Accept algebraically equivalent correct forms.

Question 12 [2 marks]

(a) 2.699526629225
(b) 2.7

Mark scheme
  • A [1] — cao x = 2.36

Accept algebraically equivalent correct forms.

Question 13 [2 marks]

(a) 12.588100850724
(b) 13

Mark scheme
  • A [1] — cao 31.36

Accept algebraically equivalent correct forms.

Question 14 [2 marks]

(a) 2.469989266413
(b) 2.47

Mark scheme
  • A [1] — cao 4.74

Accept algebraically equivalent correct forms.

Question 15 [2 marks]

(a) 1.879259430829
(b) 1.879

Mark scheme
  • A [1] — cao 12

Accept algebraically equivalent correct forms.

Question 16 [2 marks]

(a) 43.448636020152
(b) 43.4

Mark scheme
  • A [1] — cao 89

Accept algebraically equivalent correct forms.

Question 17 [2 marks]

(a) 0.933303828643
(b) 0.9

Mark scheme
  • A [1] — cao 153.86

Accept algebraically equivalent correct forms.

Question 18 [2 marks]

(a) 20.906598165111
(b) 20.91

Mark scheme
  • A [1] — cao £12.00

Accept algebraically equivalent correct forms.

Question 19 [2 marks]

(a) 1.82212914878
(b) 2

Mark scheme
  • A [2] — cao x = 75.5° or x = 284.5°

Accept algebraically equivalent correct forms.

Question 20 [2 marks]

(a) 29.259038358375
(b) 29.3

Mark scheme
  • A [2] — cao 2.0 × 10³

Accept algebraically equivalent correct forms.

Question 21 [2 marks]

(a) 2.192440775028
(b) 2.19

Mark scheme
  • A [1] — cao x = 11.588

Accept algebraically equivalent correct forms.

Question 22 [2 marks]

(a) 9.333625095973
(b) 9.334

Mark scheme
  • A [1] — cao 0.5

Accept algebraically equivalent correct forms.

Question 23 [2 marks]

(a) 4.685243436946
(b) 4.685

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.

Question 24 [2 marks]

(a) -0.763219251062
(b) -0.8

Mark scheme
  • A [1] — cao 5

Accept algebraically equivalent correct forms.

Question 25 [2 marks]

(a) 19.604673610922
(b) 19.6

Mark scheme
  • A [1] — cao 120

Accept algebraically equivalent correct forms.

Question 26 [2 marks]

(a) 13.813618941903
(b) 14

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.

Question 27 [2 marks]

(a) 1.642848278586
(b) 1.64

Mark scheme
  • A [1] — cao θ = 11.8° or θ = 78.2°

Accept algebraically equivalent correct forms.

Question 28 [2 marks]

(a) 2.029453923661
(b) 2.03

Mark scheme
  • A [2] — cao 18.8

Accept algebraically equivalent correct forms.

Question 29 [2 marks]

(a) 34.573137419341
(b) 34.57

Mark scheme
  • A [2] — cao (1.00, 6.00) and (3.00, 2.00)

Accept algebraically equivalent correct forms.

Question 30 [2 marks]

(a) 4.374305667582
(b) 4.374

Mark scheme
  • A [2] — cao 0.994

Accept algebraically equivalent correct forms.

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