Respuesta :

Answer:

1 significant figure

Explanation:

3×10^6 is 3,000,000

  • Non-zero digits are always significant

  • Any zeros between two significant digits are significant

  • A final zero or trailing zeros in the decimal portion ONLY are significant

Example:  .500 or .632000 the zeros are significant

                 .006  or .000968 the zeros are NOT significant

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