Answer:
3.43424 (US liquid gallon)
Step-by-step explanation:
<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,

3/5 c 3 + 3 is equivalently
Answer:
77
Step-by-step explanation:
that is the answer i got i did a quiz with the same question not too long and i got a 100 and i putt 77 aas my answer!!!!!!!!1
Follow the rules of PEMDAS:
42/(15-8)
42/7
6