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.
Here are some other important fraction terms to review: Proper fraction: numerator is less than the denominator. Improper fraction: numerator is greater than or equal to denominator. Mixed number: whole number and a fraction. Equivalent fractions: fractions that represent the same. number.