Practice Paper answer - Aeroplane

Dear all,
Please check your answer for the Practice paper with the picture of the aeroplane.Please go through the questions that you did not get right and check what was wrong with your working and do your corrections.

(1)  $33.90
(2) 3.6 litres
(3) 76 square cm
(4) 128
(5) 34
(6) 561
(7) 120
(8) 4374
(9) 825
(10) 0.35 kg
(11) $2.70
(12) 127
(13) 4095
(14) 28 litres 450ml
(15) 334
(16a)  Shop A
(16b) $8 cheaper
(17) 430
(18) 304

Love you,
Mrs Mak