Answer:

Step-by-step explanation:
given polynomial is:

write similar terms together,


Hence, polynomial in standard form 
Answer:
C. 3¹² y¹⁰
Step-by-step explanation:
(3⁶/y⁻⁵)² = (3⁶/1 / 1/y⁵)² = (3⁶ *y⁵)² = 3¹² y¹⁰
Answer: The answer is 144 grams of zinc
Step-by-step explanation:
<u><em>Answer:</em></u>both numbers are negative
negative number is greater than the positive number
<u><em>Explanation:</em></u><u>
In order to add two rational numbers and get a negative value, one of two scenarios should occur:</u>
<u>1- both numbers are negative.</u>
In this case, the answer would definitely be negative as the two numbers are originally negative
<u>Examples:</u>
-9 + -2 = -9 - 2 = -11

<u>2- negative number is greater than the positive number</u>
In this case, the negative sign would dominate and the result would be negative
<u>Examples:</u>
-9 + 3 = -6

Hope this helps :)