10.2 x 2 = 20.40
9.4 x 3 = 28.20
Total= 48.60
The complete question is :
Question: What is the coefficient in the expression 10x²-7?
The coefficient in the expression
is 10
<h3>What is Coefficient?</h3>
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
According to the question,
The expression given is 
The variable given is x
We need to find the coefficient in the expression.
In the given expression x is the variable and the number before the x is coefficient which is 10 .
Hence the coefficient in the expression is 10.
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Answer:
2nd degree
Step-by-step explanation:
Not 100% but all real number so D
Answer:
28+14.50+524.50+13.25= 580.25
Step-by-step explanation:
Add it all together.