3,153,600
20 decaseconds = 200,000 milliseconds.
365
10500/year
In the normal year, there are 365 days.
31,536,000 in a normal year or 31,622,400 in a leap year.
20 decaseconds = 200,000 milliseconds.
15 seconds. ¼ minute 1½ decaseconds (a decasecond is 10 seconds) 1/6 of a moment (a moment is 90 seconds)
October 29th happens on a Friday every seven years, disregarding Leap year, if there was no leap year, October 29th would land on Friday once every 2,555 days, once every 153,300 minutes, once every 9,198,000 seconds, once every 91,980,000 decaseconds, once every 9,198,000,000,000,000 millisecond's. Just in case you wanted to know. See if you can find out the same thing I just did but in biliseconds!
Many year explore.
How many what in a leap year?
Months is plural when discussing the number. "How many months are in a year?"
There are many thousands every year
how many litters do hyenas have in a year
thay have many many many
One
365
there are 12months in a year