Question

Alex wrote 103.903 in expanded form as 100 + 3 times 1 + 9 1/100 + 3 times 1/1000 explain his mistake then tell how to correct it

Answer 1

He has a mistake
it can be written as
$100 + 3 \times 1 + .9 \div 10 + 3 \div 1000$