Problems 7-9, 12, 14-22, 31-41, 43
i need working them out

answer 7 ✒

(12)^4 = 12 ×12 × 12 ×12

answer 8✒

2(a)^4 = 2 × a ×a ×a× a

answer 9 ✒

m^4n^3 = m× m× m× m n× n× n

answer 12 ✒

give a =3, b= -2 ,c =4

now solve 3a^2b

put the value of a and b, we get

4× (3)^2 × (-2)

= 4 × 9 × (-2)

= -72

answer 14 ✒

10 .10 .10 .10 = (10)^4

answer 15 ✒

(-2)( -2 )(-2 )(-2) =( -2)^4

answer 16✒

6 = 6. ( no change)

answer✒ 21

3.x.x.y.y = 3. x^2. y^2

answer 22✒

(-5)(m)(m)(m)(m)(n) = -5 .m ^3 .n

now i tried now⚠⚠⚠⚠

i hope this will be helpful 4 you.

thank you❤