3(-1) = 3 + 3 = 9 so your answer is 9
The answer is C, the US successfully tested an atomic bomb.
Answer:
Scientists who work to uncover the story of early people by digging up and studying the traces of early settlements. ... Answer: This scientists learns about early people by digging up and studying things like artifacts and fossils. What have archaeologists learned about early humans from the evidence they have found?