Answer:
90
Step-by-step explanation:
it is 90 because in the first slot there can be any 10 numbers and in the second slot the set can contain any of the remaining 9 numbers and then we can multiply these two numbers together to find the total amount of sets.
hope this helps :)
The area of a circle is,

So pi times the radius squared.
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To find the radius we half to divide the diameter by 2 since the radius is half of the diameter.
The diameter is the line that passes through the the center of the circle going from one side of the circle to the other which is 4 in this case.
Half of 4 is 2 meaning 2 is our radius.
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Plug in the numbers and get,

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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
The greatest common factor (GCF or GCD or HCF) of a set of whole numbers is the largest positive integer that divides evenly into all numbers with zero remainder.
Answer:
GCF = 1
for the values 16, 27
The factors of 16 are: 1, 2, 4, 8, 16
The factors of 27 are: 1, 3, 9, 27
<em>THE CORRECT ANSWER IS 57 CM³</em>