500
Multiply '3' by ' 5 ' which is '15' and then 'stick' 7 zeroes on the right hand end. Hence 30,000 X 500 = 150,000,000 In words , One hundred and fifty million'. Scientific notation ; 1.5 x 10^(8)
4666.6667
5400
0
142.8571
6000
4666666.6667
300000
75
0.2
0.0033
10000000000