Respuesta :
The expression 8/(21n) can be described by
 C: The quotient of 8 and 21 times a number
_____
When writing in plain text, parentheses are required around any numerator, denominator, exponent, or root with an arithmetic operation in it.
 C: The quotient of 8 and 21 times a number
_____
When writing in plain text, parentheses are required around any numerator, denominator, exponent, or root with an arithmetic operation in it.