Respuesta :
19 tens is also equal to 19 · 10, which equals 190.
11 tens is equal to 11 · 10, which equals 110.
190 + 110 = 300.
So, 19 tens + 11 tens is equal to 300 (or 30 tens).
11 tens is equal to 11 · 10, which equals 110.
190 + 110 = 300.
So, 19 tens + 11 tens is equal to 300 (or 30 tens).