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

1 answer:

5 0

   (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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