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firstly, 162cm^3=162*1000mm^3=162000mm^3 volumn=area* thickness area=volumn/ thickness =162000/0.00009mm^2 =(162000/0.00009)/(1000*1000)m^2 =1800m^2 it is very important to convert cm^3 to mm^3 and convert mm^2 to m^2 for this question.

1. Three circular gold coins have the same thickness and their radii are 2 cm, 3cm, and 4 cm respectively. ...

... that the balance move the direction ＊Increase a certain thickness of material balanced to can make material this move one party that reduce. ...

1.octopus card's area: (length*breadth) 8.5*5.4 =45.9cm sq 2. area of the sticker: (upper length+lower length)*height/2 (1.5+3)*4/2 =9cm sq 3.volume of the notebook computer: (length*breadth* thickness ) 30*25*2.5 =1875cm sq 希望幫到你LA

average number of passenger counts for each day in June = 323950000 /30 = 10798333.3 = 1080000(correct to the nearest hundred thousand) the thickness of each sheet of paper = 15mm/180 = 0.083mm(correct to 3 decimal places)

...83% C. 0.62% D. 0.41% 18. Peter wants to know the thickness of a piece of CD by first measuring the thickness of 10 ...

... that are only eight one-thousandths of an inch in total thickness , The ETFE cladding allows more light and heat penetration than traditional...

...電路中電流的強度 14.The resistance of a wire depends on the length, thickness and the material of the wire. 一條線的電阻是決定於電線的長度,厚度及電線的...