If there are 100 000 000 000 stars in a galaxy Steve @The Saylor

Question 44 / 45: If there are 100,000,000,000 stars in a galaxy and 100,000,000,000 galaxies in the universe, then how many stars are there in the universe?

A 10²⁷

B 10²⁵

C 10²²

D 10¹⁰

E 10⁵

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Explanation:

10^a x 10^b = 10^a+b

So this is just a matter of counting all the zeros and adding them up.

11+11=22

Try again!

Correct!

Quiz Home Page

https://www.jobilize.com/measurement-experimentation-lab-mcq-quiz-by-dr-steve-gibbs

Measurement & Experimentation Laboratory ME301

Author:

Dr.Steve GibbsProfessor

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Dr. Steve Gibbs. Measurement & Experimentation Laboratory. The Saylor Academy 2014, http://www.saylor.org/courses/me301/

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