10. Write each radical in simplest form, if possible. a) 90 b) 73 c) /108 d) /600 e) 54 f) 91 g) /28 h) 33 i) /112

How to solve follwing units in scientific notation? a) 1 Milliampere (mA)  b) 3 Megajoules (MJ)  c) 6 Microcoulombs (μC)  d) 8 Nanoseconds (ns)

11. The equatorial radius of the Earth is the distance from the center of the Earth to the equator. The radius is about 6,378.5km. a) Write the radius in scientific notation, in meters. b) Determine the length of the equator in meters, expressing your solution in scientific notation to 3 decimal places. (hint: the equator is the circumference of the Earth, and assume the Earth is circular).