The moon is roughly a sphere, with an average radius of 1,738 kilometers.
The area of a sphere is 4 pi R² .
Area of the moon = (4 pi) (1,738 km)² =
(12.566) (3,020,644 km²) = 3.796 x 10⁷ km²
Answer:
-1
Explanation:
X - 9 = -10
+9 +9
——————
X = -1
I think the mean of variable a is 4
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