Question

If 506 microgram is converted to grams and expressed in the standard form as a×10n g, what are the values of a and n?

Answer 1

1 microgram

$= {10}^{ - 6} g$

506 microgram

$= 506 \times {10}^{ - 6} \\ = 5.06 \times {10}^{ - 4} g$

here a = 5.06 and n = - 4