Answer :

200 + 3(.10) +9(.010)
200 + .30 + .09
200.30 + .09
200.39
So 200.39 is your answer..
apologiabiology
so 200 as  a decimal is 200.00
add 3 tens or 3 tens 10 or 30
add 9 hundreds or 9 times 100 or 900 so

200+900+30=1130


if you mean 3 tenths in decimals or 0.3 and
9 hundreths as a demial or 0.09
added to 200 you would get
200.39

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