520
Depending on the number of leap years that fall into the 10-year cycle (2 or 3), there are 521.74 or 521.86 weeks.
521.77457 weeks
It is 522 weeks.
One week is equal to 7 days. Therefore, 10 weeks is equal to 10 x 7 = 70 days.
10 and a half
There are 520 weeks in a decade. This can be calculated by multiplying 10 years in a decade by 52 weeks in a year.
520, by the standards.
99 weeks equals 1 year, 10 months and 3 weeks calendar years
10 years
One decade is equal to 10 years. Therefore, 5 decades is equal to 5 x 10 = 50 years.
10 years is 521.78 weeks. (not 520)
There are 52 weeks in a year. A child who is exactly 10 years old has lived for 10 x 52 weeks, which equals 520 weeks.