Question

Convert 45°20´ into second​

Answer 1

163200 "

Explanation:

45 ° 20 ' =

45 ° * 60 minutes/degree * 60 seconds/minute + 20' x 60 seconds/minute

= 45 * 60 * 60 + 20 * 60 = 163200 seconds

Answer 2

45 × 60'× 60'' + 30 × 60'' ( 1⁰ =60')

16200''+ 1800''= 18000''

I hope it wil be helpfull for you.