The number of miles that light travels in one year is called a light-year. One light-year is equal to $5.88 \times 10 ^ { 12 }$ miles. A certain star is 46 light-years away from the earth. How far is this in miles? Round to 5 significant digits if necessary.
A) $1.2783 \times 10 ^ { 12 }$

B) $1.2783 \times 10 ^ { 11 }$

C) $2.7048 \times 10 ^ { 13 }$

D) $2.7048 \times 10 ^ { 14 }$

Question

The number of miles that light travels in one year is called a light-year. One light-year is equal to $5.88 \times 10 ^ { 12 }$ miles. A certain star is 46 light-years away from the earth. How far is this in miles? Round to 5 significant digits if necessary.
A) $1.2783 \times 10 ^ { 12 }$

B) $1.2783 \times 10 ^ { 11 }$

C) $2.7048 \times 10 ^ { 13 }$

D) $2.7048 \times 10 ^ { 14 }$

Quizplus · Accepted Answer

The Answer of The number of miles that light travels in one year is called a light-year. One light-year is equal to $5.88 \times 10 ^ { 12 }$ miles. A certain star is 46 light-years away from the earth. How far is this in miles? Round to 5 significant digits if necessary.
A) $1.2783 \times 10 ^ { 12 }$

B) $1.2783 \times 10 ^ { 11 }$

C) $2.7048 \times 10 ^ { 13 }$

D) $2.7048 \times 10 ^ { 14 }$

The Number of Miles That Light Travels in One Year 5.88×10125.88 \times 10 ^ { 12 }5.88×1012

The Number of Miles That Light Travels in One Year $5.88 \times 10 ^ { 12 }$