Answer:
9^-2 or 1/81
Step-by-step explanation:
<u>Exponent Rule:</u>
When dividing exponents, they're subtracted.
Since the second term has a negative exponent, we add.
<u>Change the problem into multiplication, then add 4 to the exponent of -6:</u>

Answer:
16
Step-by-step explanation:
If
, just put the number
instead of
.
So:

Answer:
To get the reciprocal of a fraction, just turn it upside down. Like this: 3. 4. A Fraction ... Convert it to an improper fraction: 213 = 6 3 + 1 3 = 7 3 2.
Step-by-step explanation: