Answer:
125.6m^2
Step-by-step explanation:
Let R be the greater radius and r be the smaller radius
Area of the sidewalk = R^2 - r^2 - This can be the expression
= 3.14
=(R^2-r^2)
=(11^2-9^2)
=(121-81)
= 40
= 3.14 x 40
3,200,00 converted to scientific notation is 3.2 x 106
Answer:
its not possible
Step-by-step explanation:
Answer:
what is the question
Step-by-step explanation:
Answer:
One example: 1.29
Step-by-step explanation:
Any number with 9 at the second decimal place