Question

(a) how many seconds are there in 1.00 year? (b) how many nanoseconds are there in 1.00 year? (c) how many years are there in 1.00 second?

Answer 1

1 Year (Gregorian) contains 365.2425 days, in SI units it is equal to 31,556,952 seconds. 1 Nanosecond: A nanosecond is exactly 1 x 10-9 seconds. 1 ns = 0.000,000,001 s.

Answer 2

a) 31536000
b) 3.1536 × 10¹⁶
c) 3.171 × 10⁻⁸