There are 39 tens in 390. 390/10 = 39
39
39
i
39 tens.
3900/10=390
39 tens is 390.
390
392 to the nearest tens = 390
394 to the nearest tens place = 390
391 rounded to the nearest tens place is 390
390
It is already at the nearest ten'. There are '39' tens. 39 x 10 = 390 .
390
386 to the nearest tens place is 390
399 rounded to the nearest hundred is 400. 399 rounded to the nearest tens is also 400.