express the number 45000 in exponential notation to show a)two significant figures b)four significant figures Share with your friends Share 0 Kirti Gogia answered this (a) 45 X 103(b) 4.500 X 104 8 View Full Answer Messi answered this two significant figures= 4.5*10 raise to 44 significant figures=4.500* 10 raise to 4hope this helps u 4