<u>Part a)</u>
Given the expression

Apply exponent rule: 
∵ 
Rewrite 81 as 3 · 27
Rewrite 54 as 2 · 27

Factor out the common term: 27m³n
Therefore,

<u>Part B)</u>
Given the expression

Apply exponent rule: 

Rewrite as

Factor out common term 5y²x²z

Therefore,

Answer:98
Step-by-step explanation:
We assume, that the number 200 is 100%.if 200 is 100%, so we can write it down as 200=100%.We also know, that x is 49% of the output value, so we can write it down as x=49%.Now we have two simple equations:
1) 200=100%
2) x=49%
we multiply both sides of the equation by x.then we divide both sides of the equation.
Answer:
32.9175
Step-by-step explanation:
i gogled it
Answer:
D. 4 23/24
Step-by-step explanation:
1 7/8 = 1 21/24
6 5/6 = 6 20/24
6 - 1 = 5
20 - 21 = -1
5 - 1/24 = 4 23/24
<h2>pi divided by four</h2>
Step-by-step explanation:
Let the angle in degrees be 
Let the angle in radians be 
If
is the angle in degrees and
is the angle in radians,

It is given that the 

So,