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9) Express the number of seconds in a year in scientific notation. (Take a year to be 365 days.)

10) If the velocity of light is given to be 2.99 $\times $ 10^{8} m/s, calculate the distance travelled by light in 1 year and express it in scientific notation. (This distance is known as 1 light year.)

9) https://www.meritnation.com/ask-answer/question/write-the-answer-in-standard-form-the-number-of-seconds-i/exponents-and-powers/1670346

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