Question

Help please me with the questions:')

Answer 1

1.
`75`

2.
`4x^(8)`

3.
`128`

Explanation:

`(3*5^9)/(5^7)=(3*5^2*5^7)/(5^7)=3*5^2=75`

`\sqrt{16x^(16)}=4\sqrt{x^(16)} =4x^8`

`((-5)(2^8))/(-6+1)/2=((-5)(2^8))/((-5)(2))=(2^8)/(2)=2^7=128`