which expression uses the associative property to make it easier to evaluate 8(1/4 x 3/5)? a. 8(3/5 x 1/4). b. (8x 1/4)3/5. c. (8 x 5/3)1/4. d. 4(1/8 x 3/5)

Which number produces a rationale number when multiplied by 1/5

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

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.