B^n / b^m = b^(n - m)
4^5 / 4^2 = 4^(5 - 2) = 4^3
Answer:

Step-by-step explanation:

Answer:
B. a^2x
Step-by-step explanation:
squaring a^x gives. (a^x)²
by applying the rules of indices, ^2 multiplies x therefore making it a^2x
X^2 + y^2 -4x27 (the numbers in bold means the multiplying a negative and a positive equals a negative)
x^2 + y^2 -(4x27) = x^2 + y^2 -108
Answer: 9
Step-by-step explanation: