An astronomer is studying 4 constellations in the night sky. constellation x is 5 times farther from earth than constellation w. constellation y is 1,000 times farther from earth than constellation x. constellation z is 100 times farther from earth thean constellation y. the astronomer discovers that constellation z is 3.3 x 10^21 mies from earth

how far is constellation w from earth
(show your work )

a. 3.3 x 10^15
b. 3.3 x 10^16
c. 6.6 x 10^16
d. 6.6 x 10^15