Saber toothed cats were carnivores. They had specific adaptations for hunting megafaunal mammals. These included bison, mammoths, mastodons, camelops (American camels) etc.
For food
they stuff hole
they eat meat
Saber-tooth tigers ate meat they were carnivores
Of course not, because sabertooth tigers are extinct.
Meat
Saber tooth tigers and mammoths.
none they were meat eaters
saber tooth tigers do not exist
They were carnivores, so they ate any meat they can find.
First thing, saber toothed cats (there weren't really tigers), were mammals, not dinosaurs. Second, dinosaurs (apart from birds) went extinct long before saber toothed cats appeared.
What DID they eat. Sabre-tooth tigers were saber tooth tigers, and they're extinct. They ate a collection of Deer, Mammoth, Macharachinia and Carcass. Sources: Another Answers.com answer