Answer:
C
Step-by-step explanation:
The multiplicative inverse of a number n is [tex]\frac{1}{n}[/tex] and
n × [tex]\frac{1}{n}[/tex] = 1
Hence
given [tex]\frac{2}{7}[/tex]
The multiplicative inverse = [tex]\frac{1}{\frac{2}{7} }[/tex] = [tex]\frac{7}{2}[/tex]
