Algebra 1

Suppose a spherical asteroid has a radius of approximately 9.0 x 10^2m. Use the formula 4/3*pi
r^3 to find the approximate volume of the asteroid.

2.57 * 10^9 m^3
1.07 * 10^4 m^3
2.54 * 10^10 m^3
4.51 * 10^10 m^3

I've worked 4/3*pi*10^2 = 900 meters... but now I'm confused, but I know it's something to do with 900^3... please help?

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  1. (9*10*2)^3 = 9^3 *10^6
    so
    (4/3) pi 9^3 * 10^6

    about

    4 * 81*9 * 10^6

    about 2.9*10^9 the top one

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  2. What was the answer?

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