Answer:
idk
Step-by-step explanation:
Answer:
Step-by-step explanation:
An negative exponent seems hard, but it really isn't!
Let's say you have 
All you do is inverse the expression, or find the reciprocal. When you do this the exponent changes to positive .

simplifies into 8. So, the result is

Hope this helps! Please mark as brainliest, thanks!
for
x
y
: To do this we must divide each side of the equation by
2
y
which will give us
x
y
while keeping the equation balance.
Answer:
Subtract the discount price from the full price. Divide the amount of change by the original price.
Step-by-step explanation:
Example: Original price = $40 Sale price = $30
$40-$30= 10
10/40= 1/4
1/4 = .25 or 25%