Problem of the Week #1 – MAT141 - College Math
Directions: Complete the following problem in the space below. Email a legible copy of your work to
Michele.Gale@centralaz.edu. Please note in the subject line “Problem of the Week #1”. You must show
work for full credit (simply putting an answer will not earn credit). You may only use your textbook, class
notes, or a CAC tutor to help you with this problem. If you choose to use a CAC tutor, please attach their
name to your work.
A light year is the distance it takes light to travel one year. Alpha Centauri (one of the closest
stars) is 4.367 light years away. Light travels at a speed of 3 × 108 𝑚𝑒𝑡𝑒𝑟𝑠/𝑠𝑒𝑐. How many
miles away is Alpha Centauri?