Confidence votes 978. The range of 60-70 decibels sound pressure level is about as loud as normal conversation in 1 meter distance. The distance from the ears to the sound source is very important to the value of the SPL.
A fraction (from Latin fractus, broken) represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.
Definition of decimal fraction. : a fraction (such as .25 = 25â100 or .025 = 25â1000) or mixed number (such as 3.025 = 325â1000) in which the denominator is a power of 10 usually expressed by use of the decimal point.