Science, asked by jariabolden74, 1 year ago

If a star is shown to be 33.11 trillion kilometers away, how many light years would that be?

Answers

Answered by garrettgoody
19

Answer:

The definition I found is:       1 light year  =  9.4605284 x 10¹⁵ meters

OK.    1 trillion = 1 x 10¹² .

Also,1 kilometer = 1,000 meters,

so 1 trillion kilometers = 1 x 10¹⁵ meters.

And we're ready now to find the number you want.

      33.11 x 10¹⁵ meters / 9.4605284 x 10¹⁵ meters = 3.5 light years

plzzz mark brainllest

Explanation:

Answered by ChitranjanMahajan
0

The star is 3.519 lightyears away

Given

A star is 33.11 trillion kilometers away

To Find

Distance away in lightyears

Solution

1 trillion = 1, 000, 000, 000, 000

Therefore 33.11 trillion km = 33, 110, 000, 000, 000 = 3311 X 10¹⁰

Now, 1 light year is the distance traveled by light in one year

Speed of light = 300,000 km/s

First, we need to find the number of seconds in a year.

One year has 365 days which have 24 hours and every hour has 3600 sec

Therefore, the number of seconds in a year

= 365 X 24 X 3600 sec

=31,536,000 sec

Therefore,

one light year = 31,536 X 10³ X 3 X 10⁵  km

= 94,068 X 10⁸ km

Therefore the distance between the star and us in light years

= (3311 X 10¹⁰)/ (94,068 X 10⁸) light years

= 3.519 lightyears

Hence, the star is 3.519 lightyears away

#SPJ2

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