MATHAZINE June 2013 | Page 4

Math and Space

The earth is 1.5 x10^8 km from the sun.

This answer is written in scientific notation is used to make it easier to use big and small numbers.

1.5 x10^8 km is equal to 150,000,000 kilometers.

This is called Standard Form.

Resources:

http://www.onlineconversion.com/length_common.htm

http://library.thinkquest.org/4116/Science/math_in_space.htm

http://www.travelmath.com/drive-distance/from/Los+Angeles,+CA/to/New+York,+NY

http://www.mathsisfun.com/numbers/scientific-notation.html

Kolk, Melinda. solarsystem.jpg. January 2012. Pics4Learning. 19 Jun 2013 <http://pics.tech4learning.com>

How far is Earth from the Sun?

1 kilometer = 1000 meter

150,000,000 kilometers = 150,000,000,000 meters

1 meter = 0.000621 miles

150,000,000,000 meters = 93,150,000 miles

How many marathons will it take to get to the sun?

93,150,000 miles/26.2 miles = 355,343.5 marathons.

What does this mean? How far is this?

Check out this cool vimeo!

http://vimeo.com/10512126