Answer:
B. multiply by 9
Step-by-step explanation:
Inverse operationsare can be regarded as pairs of mathematical manipulations whereby the action of an operation is been undone by other.
for example,
Inverse operation for division= multiplication
Inverse operation for addition = substraction
Inverse operation for multiplication = division
Therefore, inverse operation of multiply by 9 will be( multiply by 9 )
×9 = 1/9 ( inverse operation)
