4 significant figures.
we can start counting the numbers after all the zeros in front. the zeros in front doesn't count in. but the zeros after the first number that is 1 or larger counts.
therefore we only need to look at 3010
Sphere surface area is A=4pi*r^2. So r is sqrt(A/4pi)
r=4cm. So d=8cm
Answer:
what the picture?
Step-by-step explanation:
the picture in the attached figure
Step 1
Find the perimeter of the scaled-down model of a walkway (Quadrilateral ABCD)

Step 2
Find the scale factor
if Quadrilateral ABCD is similar to Quadrilateral EFGH
then


Step 3
Find the perimeter of the actual walkway (Quadrilateral EFGH)



therefore
the answer is

Um is there any chance u can tell me what that means in English? <span />