You can write the expression 6(y) in the following ways:
6 × y
y × 6
6y
Answer:
p = -2
Step-by-step explanation:
Start by dividing both sides by 81 to get the power by itself.

Write the fraction using a power of 3.

This assumes you know about negative exponents: 
Answer:
x = 2
Step-by-step explanation:
The mean is
3 + 7 + 8 + 10 + x
------------------------- = 6
5
Multiplying both sides by 5, we get:
3 + 7 + 8 + 10 + x = 30
Then 28 + x = 30, so that x must be 2
x = 2