1) If a 0.10mL volume of oil can spread over a surface of water of about 32.0m^2 area, calculate the thickness of the layer in centimeters. Enter your answer in scientific notation.cm?

2) If the average speed of a helium atom at a certain temperature is 1180m/s, what is the speed in miles per hour? (1mi= 1609m)

3) the density of water at 40C is 0.992g/mL what is sthe volume of 4.53g of water at this temperature?

v=mL?

4) carry out the conversion (provide the answer for part (b) in scientific notation):

(a) 61.2cm into decimeter

(b) 84.2mg into Kilograms

(c) 597mL into Liters

(d) 92.4 Kg/m^3 into g/cm^3