Respuesta :

Answer:

4

Step-by-step explanation:

Using the rule of exponents

[tex]a^{0}[/tex] = 1

Then

4[tex](57ab)^{0}[/tex] = 1 and

4[tex](57ab)^{0}[/tex] = 4 × 1 = 4

Renisha12

Answer:

4

Step-by-step explanation:

since 57ab has power 0 it is equal to 1

1×4 is 4