Evaluate the expression 2x^2-y^1+3x^0 for x=4 and y=7.

28

Step-by-step explanation:

We begin with the expression

First, we can simplify this expression before we plug in our values

Now that it is in its simplest form, we can now evaluate the expression by plugging in x=4 and y=7

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents