how much .10M Base (in mL) is needed to neutralize 8.00mL of .10M Acid?

Question

base- NaOH, acid- HCl, base volume (mL)- ?

base- NaOH, acid- HC2H3O2, base volume (mL)- ?

VaNa=VbNb

Vb= 8ml*.10N/.10N= 8m.