express the number 45000 in exponential notation to show

a)two significant figures

b)four significant figures 

(a) 45 X 103

(b) 4.500 X 104

  • 8

 two significant figures= 4.5*10 raise to 4

4 significant figures=4.500* 10 raise to 4

hope this helps u

  • 4
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