HOW MUCH IS 10 TENS
190
17 tens = (10 + 7) tens = 10 tens + 7 tens = 1 hundred + 7 tens.
The product of 10 tens is 100
two hundred and thirty23 x 10 = 230
89
10 tens
10
Nine tens = 90 Ten ones = 10 90 + 10 = 100
10 tens is the same as 10 x 10, which equates to 100
1000 tens