Exponent rule : a^-x = 1/a^x
x^-9 * x^-2 =
1/x^9 * 1/x^2 = (when multiplying exponents with same base, add exponents)
1/x^(9 + 2) =
1/x^11
I think it is A 5381.58 but I am not sure let me know if I am right
50% of 36 means a half of 36 which is 18
Answer:
Its C
Step-by-step explanation:
