we know that
one thousand-------> 1 x 1000----------------------> 1,000
one hundred-------- 1 x 100--------------------------> 100
thirteen ten-thousandths ----> 13 x 0.0001------> 0.0013
so
the number is
1,000+100+0.0013-------> 1,100.0013
the answer is
1,100.0013
