SOLUTION: If the expression (2x^3)(-5x^4) was placed in the form ax^b, where a and are integers, then what is the value of a+b? Show the work that leads to the answer.

Algebra ->  Expressions-with-variables -> SOLUTION: If the expression (2x^3)(-5x^4) was placed in the form ax^b, where a and are integers, then what is the value of a+b? Show the work that leads to the answer.      Log On


   

Question 1013733: If the expression (2x^3)(-5x^4) was placed in the form ax^b, where a and are integers, then what is the value of a+b? Show the work that leads to the answer.
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

%282x%5E3%29%28-5x%5E4%29=+-10x%5E7
so, compared to the form ax%5Eb we can see that a=-10 and b=7
then the value of a%2Bb=-10%2B7=-3