Author Question: The distance to the Andromeda Galaxy is estimated at about 2 106 light years. A light year is the ... (Read 115 times)

kodithompson · **on:** Jul 28, 2018

The distance to the Andromeda Galaxy is estimated at about 2 106 light years. A light year is the distance traveled by light in one year; if the speed of light is 3 108 m/s, about how far is it from our galaxy to Andromeda? (1 year = 3.15 107 s)
a. 10 1015 m
c. 2 1022 m
b. 1 1018 m
d. 6 1012 m

Question 2

A cereal box has the dimensions of 0.19 m 0.28 m 0.080 m. If there are 3.28 feet per meter, then what is the volume of the box in cubic feet?
a. 0.0043 cubic feet
c. 0.046 cubic feet
b. 0.15 cubic feet
d. 0.0014 cubic feet