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:
230°
Step-by-step explanation:
Medida do angulo central = medida do arco interceptado
arco = 25º e ângulo central = 25º
Answer:
The sum is 17,690 nine
Step-by-step explanation:
