Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.
-The average distance of the planet Mercury from the sun is5 $5.79 \times 10 ^ { 7 }$ km. km. The average distance of the planet Neptune from the sun is4.50 $4.50 \times 10 ^ { 9 }$ km. How many times further from the sun is Neptune than Mercury?
Round to the nearest whole number.
A)777 times further
B)78 times further
C)8 times further
D)4,442,100,000 times further

Question

Quizplus · Accepted Answer

To find how many times further Neptune is from the Sun than Mercury, divide Neptune's distance by Mercury's distance: $ \frac{4.50 \times 10^9}{5.79 \times 10^7} \approx 77.72 $, which rounds to 78 times further.

Solve Express the Result in Scientific Notation 5.79×1075.79 \times 10 ^ { 7 }5.79×107

Solve Express the Result in Scientific Notation $5.79 \times 10 ^ { 7 }$