If you draw a single card once from a deck of ordinary p laying ca rds, w hat is t he pro bability t hat i t will be a. The ace of diamonds? b. A 10? c. A queen or a heart? d. A 3 or a black card? other

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Based on the figures as marked, /\rqs = —

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.