Answer :
Multiplicative inverse of -10 is [tex]-\frac{1}{10}[/tex] because:
[tex](-10)*(-\frac{1}{10})=1[/tex]
[tex](-10)*(-\frac{1}{10})=1[/tex]
Multiplicative inverse is also known as reciprocal. The reciprocal of [tex]-10[/tex] is [tex] -\frac{1}{10} [/tex]