A 2 by 10 is a 2 inch(height) by 10 inch(width) piece of wood. The length is not specified and can be varied to suit different purposes. such as a 2'x10'x5' would be 5 inches long.
A wavelength that measures 10^2 would be 100 meters long.
2 weeks
6- approx. 8 1/2 inches long 7- approx. 9 inches long 8- approx. 9 1/2 inches long 9- approx. 10 inches long 10- approx. 10 1/2 inches long ...and so on.
2 weeks
2 hrs 10 mins
It is 155 min long, so 2 and 1/2 hours.
10 to 10 and 1/2 hours
5J because 10/2=5
10*2+5*2 = 30 CM
0.1053
10 1/2 feet long
2 hours and 10 minutes long