英文數學題目 10點

1.In june,there were 323950000 passenger counts in public transport.find the average number of passenger counts for each day in june,round off the answer correct to the nearest hundred thousand.


2.a stack of 180 sheets of paper is 1.5 cm thick.find the thickness of each sheet of paper in mm,round off the answer correct to 3 decimal places.


3.the government plans to build a large housing estate in a new town.the estate will have twelve 36-storey buildings with 18 units on each floor.according to the census,we can estinate the average number of inhabitants in each unit to be 5.23.find the number of inhabitants this estate will have,round off the answer correct to the nearest ten thousand.


4.roy and sandy used their savings to buy two christmas presents,which were of the same price,for their parents.if roy spent 186.5 dollars and sandy spent 20 dollars more than roy,find the price of each present,round off the answer correct to the nearest hundred dollars.


5.an octopus card has length 8.5 cm and breadth 5.4 cm.suppose the card is rectangular in shape,find its area.


6.florence has a piece of sticker which is trapezoidal.the shorter base of the sticker is 1.5 cm,the longer base is 3 cm and the height is 4 cm.what is the area of the sticker?


7.a notebook computer has length 30 cm,breadth 25 cm and thickness 2.5 cm.suppose this computer is a cuboid,find its volume.


8. the area of a rectangular baskerball court is 880㎡ and its breadth is 20 m.find its length.


9.dad gives a box of candies to mandy for her birthday.the box is a cuboid which has length 10 cm,breadth 6 cm and volume 180 cm3.find its height.


10.the figure shows a rectangular photo frame with a rectangular photo at the centre.the photo has length 20 cm and breadth 14 cm.find the area of the photo frame.