Answer:
0.03172
Step-by-step explanation:
Leading zeros (Zero before non-zero numbers) are not significant
0.02435 have 4 sigfig, round off to 0.0244, 3 sigfig
0.00732+0.0244 =0.03172
I wasn't 100% sure what you were asking, but
idk
need a photo or a diagram to help you out
A=1665
An area of a rectangle is length times width or l*w=a
