Pi r² is circle's area expression.
So the r is radius,.
Answer:
Hard questions
Step-by-step explanation:
Answer:
x=33
Step-by-step explanation:
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Answer:

B, A, C
Step-by-step explanation:
This is scientific notation. The numbers
can be ordered least to greatest by looking at their digits and exponents. Since a -2 as an exponent is present, this means this is a small decimal and is the least. 3.5 and 5.3 have the same exponent of 3 but 5.3 is greater than 3.5 so its the greatest. The order is
