1
120
one ten and two ones.
620=500+12 tens 12 tens=12*ten=120 500+120=620 couldn't had just googled it?
120 ÷ 10 = 12 tens
9 tens + 12 ones = 9 × 10 + 12 × 1 = 90 + 12 = 102.
97.3 tens.
20.9 tens.
There are 78.7 tens in the number 787
52..
10
1
12
Whole tens: 38 Tens: 38.5