Question

The average age of children of class 7 is 12 years and 3 months express the age in seconds

Answer 1

Step-by-step explanation:

here's the answer plz thanks my answer

Answer 2

One day has 3600×24 = 86400 seconds.

And 7 years 3 months has 7×365 + 3×30 days = 2555 + 90 = 2645 days (generalised).

So the number of seconds will be 2645×86400 = 228528000 seconds.