Math Review & Problem Solving Exercises Graph each equation Xy - 12 Y=2x-5 bladel Round each of the following quantities to three (3) significant figures and report the quantity in scientific notation. Don't forget to include each unit. 100 g/ml 4025 cm 0.00020310 96310 nm 0.0001430 kg 1025043 gal 101 Solve each problem and report your answer to correct significant figure and units. Remember that units multiply, divide, add, subtract and simplify just like variables. 650 kg 0.05 kg. 179.1 kg 17 g x 1.08 9.20/(1.72 cm' 21 cm') 175 cm-22.5 cm 3.23 x 100 mg (2.1 x 10-10 cm) 123.0 lb/ga2 ft) (3.1 x 10 nm)2 (2.23 x 10' (9.0 x 10g) 10.1 X 10782 11) Convert the following. Set up each problem using dimensional analysis. You may need to refer to the unit conversion factor table provided in the last page of this exercise. a) 935 kg ? ? b) 65 mg = ? 2 Revision 6/27/2019 CHEM 40 LAB MANUAL 2010-2020 2016, Golestan Page 20