V391 Pegasi b is a star that is 4,570 light years away from Earth. What is this distance in kilometers? (One light year is about 9.46 trillion kilometers. )
Mathematics · High School · Wed Jan 13 2021
Answered on
Given the statement:
V391 Pegasi b is a star that is 4,570 light years away from Earth.
Determine the distance in kilometers.
1 light years = 9.46 trillion killometers.
Solution:
9.46 trillion kilometer can be written in scientific notation as,
9.46 x 10^12 km
Now in order to determine the distance of B391 Pegasi b, we simply need to multiply 4570, by 9.46 x 10^12 using the general conversion method.
= (4,570 light years)( 9.46 x 10^12 km / 1 light year)
The unit light years cancel.
=4.32322 x 10^16 km
Final answer:
=4.32322 x 10^16 km