\(a,=2^3.2^4\\ =2^{3+4}\\ =2^7\\ b,=a^4.b^4\\ =\left(ab\right)^4\\ c,=2^{x-1}.2\\ =2^{x-1+1}\\ =2^x\)
a) 8.4.2⁴ = 2³.2².2⁴ = 2⁹
b) ab.ab.aa.bb = a⁴b⁴ = (ab)⁴
`a, = 2^3 . 2^2 . 2^4`
`= 2^9`
`b, = a^4b^4`
`c, = 2^(x-1) . 2`
`= 2^x`
a,8.4.24=2.2.2.2.2.2.2.2.2=29
b,ab.ab.aa.bb=(a.b)4
c,2x-1.2=2x:21.2=2x-1+1=2x