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Problem: A number written in scientific notation has the form a×10{k}, where 1 < a < 10 and k is an integer, that is, k is one of ... -3, -2 , -1, 0, 1, 2, 3.... Determine the values of a and k when 0.51 is written in scientific notation. Enter a and k, separated by commas.

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0.51 = 5.1 × 10-1 

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A number written in scientific notation has the form a×10{k}, where 1 < a < 10 and k is an integer, that is, k is one of ... -3, -2 , -1, 0, 1, 2, 3....

Determine the values of a and k when 0.51 is written in scientific notation. Enter a and k, separated by commas.

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