It's a, because an exponent means it's multiplied by itself that many times. so 3 times 3 is 9 then times 3 again is 27. but negative exponents are always fractions and since the normal number is positive it's D (sorry at first I didn't see d and c)
Answer:
B
Step-by-step explanation:
Answer: 1. mentally ill people
2. c
3.answer choices ?
Step-by-step explanation:
Answer:
the set of whole number since it is defined as positive integers + zero
