math
posted by Christina .
In order to make the most accurate calendar, the following system was devised. Leap years occur every 4 years except for years ending in 00, but years divisible by 400 are leap years. In this case, the year is a leap year if it is divisible by 400. Which of the following years are leap years? 1500, 1776, 2100, 2424

1776,2424