10X3 tens in unit form is written: 10*3 tens = 30 tens = 300 units.
It is 100 units.
10 times six tens is 600 units which, in standard form, is 6*102.
It is 100 units.
It is 100 units.
It is 100 units.
It is 300.
10*6 = 6 tens and 0 units.
42+61
430
50 thousands, 3 hundreds, 7 tens, 2 ones
A tens unit