Acompany with loud machinery needs to cut its sound intensity to 44% of its original level. by how many decibels would the loudness be reduced? use the formula l=10log i/i(o). round to the nearest hundredth.
a) 3.57 decibels
b) 1.58 decibels
c) 2.52 decibels
d) 1.93 decibels

The frequency of a given region of the electromagnetic spectrum ranges from 3 × 1016 − 3 × 1019 hertz. which type of wave is found in this region? a. x-rays b. ultraviolet rays c. infrared waves d. radio waves

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons