4,000,000,000 ÷ 10 = 400,000,000 (four hundred million)
10x10=100Ten tens make one-hundred.
548 ÷ 10 = 54.8Or 54 tens remainder 8
There are 20 tens in 200 !
10
10
600?
Ten tens One hundred ones
300,000/10 = 30,000 tens.
10
40
Ten of them.