The formula for the area of a rectangle is: [tex]l*w[/tex] [tex]l=length[/tex] [tex]w=width [/tex]
Lets input the information we know: [tex]9*4.25[/tex] [tex]=38.25[/tex]
The area would be [tex]38.25 inches ^2[/tex]
Rounding to significant digits: Rounding to the first significant digit gives you 30 Rounding to the second significant digit gives you 38 Rounding to the third significant digit gives you 38.3 Rounding to the fourth significant digit gives you 38.25