Analysis and Approaches for IBDP Maths Ebook 1 | Page 331

Exercise 99
99.1 (a) a �� 1.83 , b � 2160
(b) e � 995, f � 639
99.2 (a) a � 1.23 , b �� 2.37
(b) m � 6.6 , n � 7.28
99.3 (a) a �� 0.000311 , b � 7.54
(b) 1
(c) 69.8
99.4 (a) a � 0.279 , b � 66.2
(b) 1
(c) 67
Exercise 100
100.1 (a) (i) 0.860
(ii) a � 0.00360 ,
b �� 0.626
(b) 1.9 kg
(c) 2.41 kg
(d) 2019
100.2 (a) (i) 0.982
(ii) a � 2.5625 ,
b � 6.375
(b) 68 kg
(c) 91.0 kg
(d) February 2019
100.3 (a) (i) 0.982
(ii) a � 14.1 , b � 188
(b) 343
(c) 28.1
(d) 1984
100.4 (a) (i) � 0.926
(ii) a �� 1.17 , b � 58.8
(b) 45
(c) 0.0866
(d) After 7.29 minutes
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