Question

Determine el valor de expresión si a=3, b=-2 y c=4; bc-ab+c, bc-ab+ac, a^2-2b+c, b^3a2÷3c+(-b)^5, - 3b+c-2a, 5b+4c÷2a,ab^3÷c+3b-a

Answer 1

a=3
b=-2
c=4

1. bc-ab+c
(-2)(4)-((3)(-2))+4
-8-(-6)+4
-8+6+4
2

2. bc-ab+ac
(-2)(4)-((3)(-2))+(3)(4)
-8-(-6)+12
-8+6+12
10

3. a^2-2b+c
(3)^2-2(-2)+4
9-(-4)+4
9+4+4
17

4. b^3a2÷3c+(-b)^5
(-2)^3*(3)^2÷3(4)+(-(-2))^5
-8*9÷12+(2)^5
-8*9÷12+32
-72÷44
-1.636

5. - 3b+c-2a
-3(-2)+4-2(3)
6+4-6
4

6. 5b+4c÷2a
5(-2)+4(4)÷2(3)
-10+16÷6
6÷6
1

7. ab^3÷c+3b-a
3(-2)^3÷4+3(-2)-3
3(-8)÷4+(-6)-3
-24÷4-6-3
-24÷4-6-3
-24÷-5
4.8

Answer 2

Respuesta:

1. bc-ab+c

(-2)(4)-((3)(-2))+4

-8-(-6)+4

-8+6+4

2

2. bc-ab+ac

(-2)(4)-((3)(-2))+(3)(4)

-8-(-6)+12

-8+6+12

10

3. a^2-2b+c

(3)^2-2(-2)+4

9-(-4)+4

9+4+4

17

4. b^3a2÷3c+(-b)^5

(-2)^3*(3)^2÷3(4)+(-(-2))^5

-8*9÷12+(2)^5

-8*9÷12+32

-72÷44

-1.636

5. - 3b+c-2a

-3(-2)+4-2(3)

6+4-6

4

6. 5b+4c÷2a

5(-2)+4(4)÷2(3)

-10+16÷6

6÷6

1

7. ab^3÷c+3b-a

3(-2)^3÷4+3(-2)-3

3(-8)÷4+(-6)-3

-24÷4-6-3

-24÷4-6-3

-24÷-5

4.8

Explicación paso a paso: