How many nanoseconds are there in 1.90 yr ? Express your answer using three significant figures.

asked Feb 28, 2017 157k views

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How many nanoseconds are there in 1.90 yr ?

Express your answer using three significant figures.

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(1.9 yr) x (365.24 day/yr) x (86,400 sec/day) x (10⁹ nsec/sec)

= (1.9 x 365.24 x 86,400 x 10⁹) nanosec

= 6.00 x 10¹⁶ nanoseconds

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