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A rectangular flower bed has a length of 0.005 kilometer and a width of 8×18 to the power of -3 kilometer. What is the area of the flower bed, in square kilometers?
A. 4x10 to the power of -7
B. 4x10 to the power of -5
C. 4x10 to the power of 6
D. 4x10 to the power of -6

Answer :

wegnerkolmp2741o

Answer:

4 * 10 ^-5

Step-by-step explanation:

To find the area multiply length times width

A = .005 * 8 * 10^ -3

   = .04 * 10 ^-3

But this is not scientific notation

We need to move the decimal 2 places to the left

This means subtract 2 from the exponent

4 * 10 ^-5

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