189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189
The side of the square = 16 in
When a circle is inscribed in a square, the length of each side of the square is equal to the diameter of the circle.
So, the diameter of the circle is equal to 16 in => radius = 8 in
Circumference = 2πr = 2π8 = 16π = 50.24
Answer:If you begin with a 1 gram sample of the isotope, at the end of 1000 years you would have. 1 gram x (12) = 12 gram would remain.
Step-by-step explanation:
The answer should be B. $12
Two ratios that are equivalent to 3:11 are 6:22 and 9:33 :)
