Astronomers measure large distances in light-years. one light-year is the distance that light can travel in one year, or approximately 5.88 × 10^12 miles. suppose a star is 9.8 × 10^1 light-years from earth. in scientific notation, approximately how many miles is it?

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An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

All of the following ordered pairs satisfy the function rule y=-2x-1 except.