Answer:
false
Step-by-step explanation:
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
Step-by-step explanation:

Step-by-step explanation:
construct 90° then measure 4.6 cm and draw a line from F to D