2 1/10 because the 1 in 2.1 is in the tenth place
Answer:
You have to make the fraction into a whole number.
Step-by-step explanation:
Hope this helps. :)
<span>(-5y^3 - 7y) + (7y^3 + 8y +9)
</span>
-5y^3+7y^3-7y+8y+9 <---- Group like terms
-5y^3+7y^3+y+9 <---- Add similar elements
Answer: 2y^3+y+9
Read it carefully as it may look confusing with the symbols.
