SOLUTION: The radius of the moon is approximately 1.773 x 10^3 km. Find the approximate surface area of the moon. Please give your answer in scientific notation

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Question 935986: The radius of the moon is approximately 1.773 x 10^3 km. Find the approximate surface area of the moon. Please give your answer in scientific notation
Answer by srinivas.g(540) About Me  (Show Source):
You can put this solution on YOUR website!
radius (r) = 1.773x10^3 km
MOON is in shape of sphere
surface area of moon (sphere) = 4*pi*r^2
=4%2A3.14+%2A%281.773%2A10%5E3%29%5E2
=4%2A3.14%2A1.773%5E2%2A%2810%5E3%29%5E2
=4%2A3.14%2A3.14%2A10%5E6
=%2839.4394x10%5E6+%29km%5E2
Result: 39.4394x10^6 km ^2