Question

1st.how much second in 1 year 2nd. what is spharomiter 3rd. what is definetion of 1 second

Answer 1

Answer:

Converting units of time

Converting units of time review (seconds, minutes, & hours)

CCSS Math: 4.MD.A.1, 5.MD.A.1

Review the size of seconds, minutes, and hours and how to convert between them. Then, try some practice problems.