2. The average distance from the sun to the planet Mercury is about 58,000,000 km. The diameter of a human hair is about 0.0025 cm.
(a) What is the distance from the sun to Mercury written in scientific notation?
(b) What is the diameter of a human hair written in scientific notation?
(c) In comparing the measurements in Parts (a) and (b), what else must be done before a comparison is made?

Question

2.	The average distance from the sun to the planet Mercury is about 58,000,000 km. The diameter of a human hair is about 0.0025 cm. 
(a)	What is the distance from the sun to Mercury written in scientific notation?
(b)	What is the diameter of a human hair written in scientific notation?
(c)	In comparing the measurements in Parts (a) and (b), what else must be done before a comparison is made?

wurwulf · Answer

(a)5.8 x 10^7
(b)2.5 x 10^-3
(c) ?