Respuesta :

0.05642 So in this case when it comes to decimals you need to know the placements of the decimals. 
1. The first number after the decimal 0.0 is the Tenths place
2. The number after the 1st number of the decimal is the Hundredths place
3. Then comes Thousandths
4. Then comes millionths 

The number "five hundredths, six thousandths, forty-two millionths" can be written in decimal format as;

0.056042

We want to write the number five hundredths, six thousandths, forty two millionths as a decimal.

Thus;

Five hundredths simply means; 5/100 = 0.05

Six thousandths simply means; 6/1000 = 0.006

Forty two millionths simply means; 42/1000000 = 0.000042

Thus, in decimal format we have;

0.000042 + 0.006 + 0.05 = 0.056042

Read more about writing of words in decimal format at; https://brainly.com/question/19888981