Escriban cada fracción como fracción con denominador potencia de 10.exprésenlas en numero decimal 396/400 = / =
234/300 = / =
216/600 = / =

¿Cuántas cifras decimales tienen los números decimales obtenidos ?
¿son números decimales finitos? ¿por que?

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population